{"title":"Empty Vape Cartridges, 510 Batteries \u0026 Chargers","description":"\u003cp\u003eEmpty cartridge hardware for filling and the batteries that run it: ceramic cartridges in half and full milliliter sizes with a range of inlet widths and finishes, pod cartridges, glass filling syringes, flip and rechargeable batteries, and USB chargers.\u003c\/p\u003e\r\n\u003cdetails class=\"collection-readmore\"\u003e\r\n\u003csummary\u003e\u003cspan class=\"readmore-open\"\u003eRead more\u003c\/span\u003e\u003cspan class=\"readmore-close\"\u003eRead less\u003c\/span\u003e\u003c\/summary\u003e\r\n\u003ch2\u003eCartridges\u003c\/h2\u003e\r\n\u003cp\u003eCeramic coil cartridges in 0.5 ml and 1 ml are sold by the piece for testing and by the 100 pack for production. Inlet width, from 1.2 mm to 2 mm, sets how thick an oil the cartridge can draw. Finishes in white, black, gold and silver match packaging. Pod cartridges and blister packaging suit closed pod systems.\u003c\/p\u003e\r\n\u003ch2\u003eBatteries and filling\u003c\/h2\u003e\r\n\u003cp\u003eFlip style batteries conceal the cartridge in a compact body. Rechargeable pen batteries come in fixed and adjustable voltage. USB threaded chargers fit standard batteries. Glass luer lock syringes fill cartridges cleanly.\u003c\/p\u003e\r\n\u003ch2\u003eVape Cartridges \u0026amp; Batteries FAQ\u003c\/h2\u003e\r\n\u003ch3\u003eWhich inlet size for distillate?\u003c\/h3\u003e\n\u003cp\u003eThicker oils draw best through a 2 mm inlet. Use narrower inlets for thin oils to avoid leaking.\u003c\/p\u003e\r\n\u003ch3\u003eWhat thread do the batteries use?\u003c\/h3\u003e\n\u003cp\u003eStandard 510 thread, which fits the cartridges here.\u003c\/p\u003e\r\n\u003ch3\u003eAre the cartridges tested?\u003c\/h3\u003e\n\u003cp\u003eThey are empty hardware. Check each listing for the materials and certifications it carries.\u003c\/p\u003e\r\n\u003c\/details\u003e","products":[{"product_id":"luxkey™-gold-vape-flip-battery-650mah","title":"LuxKey™ Gold Vape Flip Battery 650mah","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eLuxKey\u003c\/span\u003e\u003csup\u003e\u003cspan style=\"color: #658d1b;\"\u003eTM\u003c\/span\u003e\u003c\/sup\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003e Gold Vape Flip Battery 650mah\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLuxKey\u003cspan\u003e™\u003c\/span\u003e is an innovative, variable voltage, luxury vape battery with a  built-in USB charger. Designed to visually imitate a car key fob, LuxKey  has a folding application that prevents damage to your pen cartridges  all while providing a discreet appearance perfect for travel!\u003c\/p\u003e\u003chr width=\"100%\" size=\"1px\" color=\"gray\"\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e    \u003cli\u003e65 0mah Battery\u003c\/li\u003e    \u003cli\u003eAdjustable Voltage\u003c\/li\u003e    \u003cli\u003e510 Cartridge Compatible\u003c\/li\u003e    \u003cli\u003e4hr Charge Time\u003c\/li\u003e    \u003cli\u003eCharging Cord Included\u003c\/li\u003e    \u003cli\u003eCartridge Not Included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724047720704,"sku":"153401","price":16.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_021afd8d-6782-41fe-81bb-634d00c18907.jpg?v=1789040835"},{"product_id":"luxkey™-silver-vape-flip-battery-650mah","title":"LuxKey™ Silver Vape Flip Battery 650mah","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eLuxKey\u003c\/span\u003e\u003csup\u003e\u003cspan style=\"color: #658d1b;\"\u003eTM\u003c\/span\u003e\u003c\/sup\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003e Silver Vape Flip Battery 650mah\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLuxKey\u003cspan\u003e™\u003c\/span\u003e is an innovative, variable voltage, luxury vape battery with a  built-in USB charger. Designed to visually imitate a car key fob, LuxKey  has a folding application that prevents damage to your pen cartridges  all while providing a discreet appearance perfect for travel!\u003c\/p\u003e\u003chr width=\"100%\" size=\"1px\" color=\"gray\"\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e    \u003cli\u003e65 0mah Battery\u003c\/li\u003e    \u003cli\u003eAdjustable Voltage\u003c\/li\u003e    \u003cli\u003e510 Cartridge Compatible\u003c\/li\u003e    \u003cli\u003e4hr Charge Time\u003c\/li\u003e    \u003cli\u003eCharging Cord Included\u003c\/li\u003e    \u003cli\u003eCartridge Not Included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724047950080,"sku":"153405","price":16.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_50369677-7591-42b2-9c00-a7b5bfaca4e6.jpg?v=1789040838"},{"product_id":"luxkey™-black-vape-flip-battery-650mah","title":"LuxKey™ Black Vape Flip Battery 650mah","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eLuxKey\u003c\/span\u003e\u003csup\u003e\u003cspan style=\"color: #658d1b;\"\u003eTM\u003c\/span\u003e\u003c\/sup\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003e Black Vape Flip Battery 650mah\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLuxKey\u003cspan\u003e™\u003c\/span\u003e is an innovative, variable voltage, luxury vape battery with a  built-in USB charger. Designed to visually imitate a car key fob, LuxKey  has a folding application that prevents damage to your pen cartridges  all while providing a discreet appearance perfect for travel!\u003c\/p\u003e\u003chr width=\"100%\" size=\"1px\" color=\"gray\"\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e    \u003cli\u003e65 0mah Battery\u003c\/li\u003e    \u003cli\u003eAdjustable Voltage\u003c\/li\u003e    \u003cli\u003e510 Cartridge Compatible\u003c\/li\u003e    \u003cli\u003e4hr Charge Time\u003c\/li\u003e    \u003cli\u003eCharging Cord Included\u003c\/li\u003e    \u003cli\u003eCartridge Not Included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724048081152,"sku":"153408","price":16.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_9ec6adae-2758-4a47-84c8-e33172162c55.jpg?v=1789040841"},{"product_id":"rechargeable-vape-battery-320mah-black","title":"Rechargeable Vape Battery 320mAh (Black)","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eRechargeable Vape Battery 320mAh (Black)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNew fully rechargeable vape batteries! These rechargeable vape batteries feature an easy push-button activation and will fit with most 510 threaded cartridges. Each pen is constructed with a metal body and powered by a 320mAh voltage battery.\u003c\/p\u003e\u003chr width=\"100%\" size=\"1px\" color=\"gray\"\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e    \u003cli\u003eBattery: 320mAh\u003c\/li\u003e    \u003cli\u003eCharger Type: 510 Thread to USB  (Charging cable not included.)\u003c\/li\u003e    \u003cli\u003eThread Fit: All 510 Atomizers\u003c\/li\u003e    \u003cli\u003eLength: 78mm \/ 3.07in\u003c\/li\u003e    \u003cli\u003eDiameter: 11.2mm \/ 0.44in\u003c\/li\u003e    \u003cli\u003eWeight: 15g \/ 0.03lbs\u003c\/li\u003e    \u003cli\u003eVoltage Settings \/ Indicator: 3.7v \/ White I 3.9v \/ Blue I 4.1v \/ Red\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724231811328,"sku":"180007","price":4.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_90731b6a-5491-4c7a-9183-bd376ad206a4.jpg?v=1789045462"},{"product_id":"rechargeable-vape-battery-320mah-silver","title":"Rechargeable Vape Battery 320mAh (Silver)","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eRechargeable Vape Battery 320mAh (Silver)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNew fully rechargeable vape batteries! These rechargeable vape batteries feature an easy push-button activation and will fit with most 510 threaded cartridges. Each pen is constructed with a metal body and powered by a 320mAh voltage battery.\u003c\/p\u003e\u003chr width=\"100%\" size=\"1px\" color=\"gray\"\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e    \u003cli\u003eBattery: 320mAh\u003c\/li\u003e    \u003cli\u003eCharger Type: 510 Thread to USB  (Charging cable not included.)\u003c\/li\u003e    \u003cli\u003eThread Fit: All 510 Atomizers\u003c\/li\u003e    \u003cli\u003eLength: 78mm \/ 3.07in\u003c\/li\u003e    \u003cli\u003eDiameter: 11.2mm \/ 0.44in\u003c\/li\u003e    \u003cli\u003eWeight: 15g \/ 0.03lbs\u003c\/li\u003e    \u003cli\u003eVoltage Settings \/ Indicator: 3.7v \/ White I 3.9v \/ Blue I 4.1v \/ Red\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724231909632,"sku":"180008","price":4.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_05b92565-9255-454c-a4c3-01af8414c249.jpg?v=1789045464"},{"product_id":"rechargeable-vape-battery-adjustable-voltage-black","title":"Rechargeable Vape Battery Adjustable Voltage (Black)","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eRechargeable Vape Battery Adjustable Voltage (Black)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNew fully rechargeable vape batteries! These rechargeable vape batteries feature an easy push-button activation and will fit with most 510 threaded cartridges. Each pen is constructed with a metal body and powered by an adjustable 380mAh voltage battery.\u003c\/p\u003e\u003chr width=\"100%\" size=\"1px\" color=\"gray\"\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e    \u003cli\u003eBattery: 380mAh\u003c\/li\u003e    \u003cli\u003eCharger Type: 510 Thread to USB  (Charging cable not included.)\u003c\/li\u003e    \u003cli\u003eThread Fit: All 510 Atomizers\u003c\/li\u003e    \u003cli\u003eLength: 96.5mm \/ 3.8in\u003c\/li\u003e    \u003cli\u003eDiameter: 11.2mm \/ 0.44in\u003c\/li\u003e    \u003cli\u003eWeight: 25g \/ 0.03lbs\u003c\/li\u003e    \u003cli\u003eVoltage Settings \/ Indicator: 2.0v - 4.0v\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724232007936,"sku":"180009","price":6.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_1dbd163c-9f7e-4133-b0e7-c53f5050ec16.jpg?v=1789045468"},{"product_id":"rechargeable-vape-battery-adjustable-voltage-gold","title":"Rechargeable Vape Battery Adjustable Voltage (Gold)","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eRechargeable Vape Battery Adjustable Voltage (Gold)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNew fully rechargeable vape batteries! These rechargeable vape batteries feature an easy push-button activation and will fit with most 510 threaded cartridges. Each pen is constructed with a metal body and powered by an adjustable 380mAh voltage battery.\u003c\/p\u003e\u003chr width=\"100%\" size=\"1px\" color=\"gray\"\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #658d1b;\"\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e    \u003cli\u003eBattery: 380mAh\u003c\/li\u003e    \u003cli\u003eCharger Type: 510 Thread to USB  (Charging cable not included.)\u003c\/li\u003e    \u003cli\u003eThread Fit: All 510 Atomizers\u003c\/li\u003e    \u003cli\u003eLength: 96.5mm \/ 3.8in\u003c\/li\u003e    \u003cli\u003eDiameter: 11.2mm \/ 0.44in\u003c\/li\u003e    \u003cli\u003eWeight: 25g \/ 0.03lbs\u003c\/li\u003e    \u003cli\u003eVoltage Settings \/ Indicator: 2.0v - 4.0v\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724232139008,"sku":"180010","price":6.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_eb027326-96a6-4b09-ba10-e2af6e192124.jpg?v=1789045472"},{"product_id":"1ml-gold-cartridge-w-1-2mm-inlet-100-pack","title":"1ml Gold Cartridge w\/ 1.2mm inlet (100-pack)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes in an easy to fill 100 pack and is 1ml in size. This cartridge comes equipped with a sleek gold mouth piece and has a 1.2mm inlet.\u003cbr\u003e\u003cbr\u003e1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils)\u003cbr\u003e\u003cbr\u003eIf the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges.\u003cbr\u003e\u003cbr\u003eThe little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724232237312,"sku":"180011","price":143.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_d73bfd5b-f1da-43e5-8795-24b9a7ef361c.jpg?v=1789045477"},{"product_id":"1ml-gold-cartridge-w-1-2mm-inlet-1-piece","title":"1ml Gold Cartridge w\/ 1.2mm inlet (1-piece)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes individually packed and is 1ml in size. This cartridge comes equipped with a sleek gold mouth piece and has a 1.2mm inlet.\u003cbr\u003e\u003cbr\u003e1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils)\u003cbr\u003e\u003cbr\u003eIf the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges.\u003cbr\u003e\u003cbr\u003eThe little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724232335616,"sku":"180012","price":1.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_eb396457-abae-4893-8255-3c86c3908a92.jpg?v=1789045478"},{"product_id":"1ml-silver-cartridge-w-1-2mm-inlet-100-pack","title":"1ml Silver Cartridge w\/ 1.2mm inlet (100-pack)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes in an easy to fill 100-pack and is 1ml in size. This cartridge comes equipped with a sleek silver mouth piece and has a 1.2mm inlet.\u003cbr\u003e\u003cbr\u003e1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils)\u003cbr\u003e\u003cbr\u003eIf the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges.\u003cbr\u003e\u003cbr\u003eThe little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724232532224,"sku":"180013","price":143.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_0cb0053c-aeb1-4ac9-a698-d65659f6f4e8.jpg?v=1789045481"},{"product_id":"1ml-silver-cartridge-w-1-2mm-inlet-1-piece","title":"1ml Silver Cartridge w\/ 1.2mm inlet (1-piece)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes individually packed and is 1ml in size. This cartridge comes equipped with a sleek silver mouth piece and has a 1.2mm inlet.\u003cbr\u003e\u003cbr\u003e1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils)\u003cbr\u003e\u003cbr\u003eIf the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges.\u003cbr\u003e\u003cbr\u003eThe little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724232630528,"sku":"180014","price":1.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_1dcab0b4-c1c4-441b-aee4-640ace2f15a4.jpg?v=1789045483"},{"product_id":"5ml-gold-cartridge-w-1-2mm-inlet-1-piece","title":".5ml Gold Cartridge w\/ 1.2mm inlet (1-piece)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes individually packed and is .5ml in size. Equipped with a stylish gold metal mouth piece and a 1.2mm inlet this cartridge is sure to turn heads and keep your wallet full.\u003cbr\u003e\u003cbr\u003e 1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e 1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e 2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils) \u003cbr\u003e\u003cbr\u003e If the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges. \u003cbr\u003e\u003cbr\u003e The little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724232728832,"sku":"180016","price":1.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_09947261-0784-4501-836a-8bc11cd72dbc.jpg?v=1789045490"},{"product_id":"5ml-silver-cartridge-w-1-2mm-inlet-100-pack","title":".5ml Silver Cartridge w\/ 1.2mm inlet (100-pack)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes in an easy to fill 100 pack and is .5ml in size. Equipped with a stylish stainless steel metal mouth piece and a 1.2mm inlet this cartridge is sure to turn heads and keep your wallet full.\u003cbr\u003e\u003cbr\u003e1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils)\u003cbr\u003e\u003cbr\u003eIf the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges.\u003cbr\u003e\u003cbr\u003eThe little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724232794368,"sku":"180017","price":143.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_0c2ce433-0bb1-4cac-acb2-3430b062bcc8.jpg?v=1789045491"},{"product_id":"5ml-silver-cartridge-w-1-2mm-inlet-1-piece","title":".5ml Silver Cartridge w\/ 1.2mm inlet (1-piece)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes individually packed and is .5ml in size. Equipped with a stylish stainless steel metal mouth piece and a 1.2mm inlet this cartridge is sure to turn heads and keep your wallet full.\u003cbr\u003e\u003cbr\u003e 1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e 1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e 2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils) \u003cbr\u003e\u003cbr\u003e If the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges. \u003cbr\u003e\u003cbr\u003e The little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724232892672,"sku":"180018","price":1.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_3cd4bdb2-46c8-4fa7-8706-72fffe0acbfe.jpg?v=1789045492"},{"product_id":"1ml-white-ceramic-cartridge-w-2mm-inlet-100-pack","title":"1ml White Ceramic Cartridge w\/ 2mm inlet (100-pack)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes in an easy to fill 100 pack and is 1ml in size. Equipped with a white ceramic mouth piece and has a 2mm inlet.\u003cbr\u003e\u003cbr\u003e1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils)\u003cbr\u003e\u003cbr\u003eIf the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges.\u003cbr\u003e\u003cbr\u003eThe little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724232958208,"sku":"180019","price":136.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_a1c4db9c-997c-47ed-9515-6a1d4b53d6b8.jpg?v=1789045494"},{"product_id":"1ml-white-ceramic-cartridge-w-2mm-inlet-1-piece","title":"1ml White Ceramic Cartridge w\/ 2mm inlet (1-piece)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes individually packed and is 1ml in size. Equipped with a white ceramic mouth piece and has a 2mm inlet.\u003cbr\u003e\u003cbr\u003e 1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e 1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e 2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils) \u003cbr\u003e\u003cbr\u003e If the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges. \u003cbr\u003e\u003cbr\u003e The little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724233056512,"sku":"180020","price":1.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_8321bc70-779e-4cff-a62b-25e2c7ec74ff.jpg?v=1789045496"},{"product_id":"1ml-white-ceramic-cartridge-w-1-6mm-inlet-1-piece","title":"1ml White Ceramic Cartridge w\/ 1.6mm inlet (1-piece)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes individually packed and is 1ml in size. Equipped with a white ceramic mouth piece and has a 1.6mm inlet.\u003cbr\u003e\u003cbr\u003e 1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e 1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e 2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils) \u003cbr\u003e\u003cbr\u003e If the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges. \u003cbr\u003e\u003cbr\u003e The little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724233253120,"sku":"180022","price":1.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_4f243b13-dc63-45b3-a432-c426687371b9.jpg?v=1789045499"},{"product_id":"1ml-black-ceramic-cartridge-w-2mm-inlet-100-pack","title":"1ml Black Ceramic Cartridge w\/ 2mm inlet (100-pack)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes in an easy to fill 100 pack and is 1ml in size. Equipped with a black ceramic tip and a 2mm inlet.\u003cbr\u003e\u003cbr\u003e1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils)\u003cbr\u003e\u003cbr\u003eIf the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges.\u003cbr\u003e\u003cbr\u003eThe little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724233318656,"sku":"180023","price":136.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_c4ad9602-4490-4a8c-b45e-a0d5cbb48663.jpg?v=1789045501"},{"product_id":"1ml-black-ceramic-cartridge-w-2mm-inlet-1-piece","title":"1ml Black Ceramic Cartridge w\/ 2mm inlet (1-piece)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes individually packed and is 1ml in size. Equipped with a black ceramic tip and a 2mm inlet and is 1ml in size.\u003cbr\u003e\u003cbr\u003e 1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e 1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e 2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils) \u003cbr\u003e\u003cbr\u003e If the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges. \u003cbr\u003e\u003cbr\u003e The little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724233416960,"sku":"180024","price":1.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_5ffb499c-73e1-4948-8dd8-83e19c9e9f56.jpg?v=1789045504"},{"product_id":"1ml-black-ceramic-cartridge-w-1-6mm-inlet-1-piece","title":"1ml Black Ceramic Cartridge w\/ 1.6mm inlet (1-piece)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes individually packed and is 1ml in size. Equipped with a black ceramic tip and a 1.6mm inlet and is 1ml in size.\u003cbr\u003e\u003cbr\u003e 1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e 1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e 2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils) \u003cbr\u003e\u003cbr\u003e If the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges. \u003cbr\u003e\u003cbr\u003e The little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724233515264,"sku":"180026","price":1.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_ed6328a1-bf68-4484-be56-1e507fae823e.jpg?v=1789045508"},{"product_id":"5ml-white-ceramic-cartridge-w-2mm-inlet-1-piece","title":".5ml White Ceramic Cartridge w\/ 2mm inlet (1-piece)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes in individually packed and is .5ml in size. Equipped with a white ceramic mouth piece and has a 2mm inlet.\u003cbr\u003e\u003cbr\u003e 1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e 1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e 2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils) \u003cbr\u003e\u003cbr\u003e If the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges. \u003cbr\u003e\u003cbr\u003e The little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724233744640,"sku":"180028","price":1.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_91e8f98a-b3dd-4a9e-8e30-59db78da2e89.jpg?v=1789045509"},{"product_id":"5ml-white-ceramic-cartridge-w-1-6mm-inlet-100-pack","title":".5ml White Ceramic Cartridge w\/ 1.6mm inlet (100-pack)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes in an easy to fill 100 pack and is .5ml in size. Equipped with a white ceramic mouth piece and has a 1.6mm inlet.\u003cbr\u003e\u003cbr\u003e 1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e 1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e 2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils) \u003cbr\u003e\u003cbr\u003e If the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges. \u003cbr\u003e\u003cbr\u003e The little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724233842944,"sku":"180029","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_45a01384-e191-4c0b-a471-6e78ad97e352.jpg?v=1789045511"},{"product_id":"5ml-white-ceramic-cartridge-w-1-6mm-inlet-1-piece","title":".5ml White Ceramic Cartridge w\/ 1.6mm inlet (1-piece)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes in individually packed and is .5ml in size. Equipped with a white ceramic mouth piece and has a 1.6mm inlet.\u003cbr\u003e\u003cbr\u003e 1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e 1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e 2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils) \u003cbr\u003e\u003cbr\u003e If the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges. \u003cbr\u003e\u003cbr\u003e The little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724233941248,"sku":"180030","price":1.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_e75cd8cb-3e70-4cb3-bfe7-acebd775ca2e.jpg?v=1789045516"},{"product_id":"5ml-black-ceramic-cartridge-w-2mm-inlet-100-pack","title":".5ml Black Ceramic Cartridge w\/ 2mm inlet (100-pack)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes in an easy to fill 100 pack and is .5ml in size. Equipped with a black ceramic mouth piece and has a 2mm inlet.\u003cbr\u003e\u003cbr\u003e 1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e 1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e 2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils) \u003cbr\u003e\u003cbr\u003e If the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges. \u003cbr\u003e\u003cbr\u003e The little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724234072320,"sku":"180031","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_4c34d1b5-2749-436d-b981-02bcaadd65d5.jpg?v=1789045518"},{"product_id":"5ml-black-ceramic-cartridge-w-2mm-inlet-1-piece","title":".5ml Black Ceramic Cartridge w\/ 2mm inlet (1-piece)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes in individually packed and is .5ml in size. Equipped with a black ceramic mouth piece and has a 2mm inlet.\u003cbr\u003e\u003cbr\u003e 1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e 1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e 2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils) \u003cbr\u003e\u003cbr\u003e If the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges. \u003cbr\u003e\u003cbr\u003e The little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724234170624,"sku":"180032","price":1.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_eb8f2cc6-e93a-4fe8-9998-22b803188967.jpg?v=1789045520"},{"product_id":"5ml-black-ceramic-cartridge-w-1-6mm-inlet-100-pack","title":".5ml Black Ceramic Cartridge w\/ 1.6mm inlet (100-pack)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes in an easy to fill 100 pack and is .5ml in size. Equipped with a black ceramic mouth piece and has a 1.6mm inlet.\u003cbr\u003e\u003cbr\u003e 1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e 1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e 2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils) \u003cbr\u003e\u003cbr\u003e If the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges. \u003cbr\u003e\u003cbr\u003e The little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724234301696,"sku":"180033","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_7b827139-63c5-423c-98e4-79dc6c697301.jpg?v=1789045523"},{"product_id":"5ml-black-ceramic-cartridge-w-1-6mm-inlet-1-piece","title":".5ml Black Ceramic Cartridge w\/ 1.6mm inlet (1-piece)","description":"Ceramic Cell has revolutionized the cartridge industry. It is a great heating element for all different kinds of oils. This cartridge comes in individually packed and is .5ml in size. Equipped with a black ceramic mouth piece and has a 1.6mm inlet.\u003cbr\u003e\u003cbr\u003e 1.2mm inlet - 2 small holes (best for thinner oils)\u003cbr\u003e 1.6mm inlet-  4 larger holes than 1.2mm (better for thicker oils)\u003cbr\u003e 2.0mm inlet - 4 larger holes than 1.2mm, and the diameter hole in the main shaft seemed more open as well compared to the 1.6mm inlet. (best for thicker oils) \u003cbr\u003e\u003cbr\u003e If the oil that you are wanting to fill the cartridges with has a very thin consistency, then smaller 1.2mm Oil Intake Hole Size would be the best route. But if the consistency of the oil is really thick, then you should consider the 1.6 mm-2mm cartridges. \u003cbr\u003e\u003cbr\u003e The little holes on the inside of the cartridge vary in size and quantity depending on the type of cartridge and oil that will be used. More holes and larger holes are better for thicker oils.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724234400000,"sku":"180034","price":1.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_65cbe614-4e1c-46a1-86e5-b0446a03914e.jpg?v=1789045526"},{"product_id":"1ml-glass-syringe-applicator-luer-lock-vape-100-pack","title":"1ML Glass Syringe Applicator Luer Lock Vape (100-pack)","description":"This airtight glass syringe doles out the medicine with precision. This generous 1ml syringe is one of the cleanest and easiest ways to distribute concentrates, fusing medical-grade craftsmanship with an included cap to lock in the air and freshness. Our glass syringes are crafted with high-quality heat-resistant borosilicate glass. For processors and dispensaries, these glass syringes disassemble into 3-pieces for easy filling and cleaning. This product is pre-sterilized and shipped in sterile packaging and is ready for use right out of the box. Working with concentrates can be a hassle. Our glass syringes are the perfect solution to cutting out the mess.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724234498304,"sku":"180035","price":137.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_98a21718-b19c-4836-99e0-37b38ad2160f.jpg?v=1789045528"},{"product_id":"usb-vape-battery-charger-threaded-510-connector","title":"USB Vape Battery Charger Threaded 510 Connector","description":"USB Vape Battery Charger Threaded 510 Connector","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724234596608,"sku":"180036","price":2.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_40b940bc-11f3-4bd9-a1d5-30044a78f72b.jpg?v=1789045533"},{"product_id":"j-pod-cartridge-black-0-7ml-1-5mm-inlet-100-pack","title":"J-Pod Cartridge Black 0.7ml 1.5mm inlet (100-pack)","description":"Now available are fillable e-liquid pods. These J-Pods measure 14mm x 5.7mm, have a 0.7ml liquid capacity, and are compatible with JUUL and most other J-Pod vaporizers.","brand":"Famous Brandz","offers":[{"title":"Default Title","offer_id":49724235874560,"sku":"180037","price":181.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_e8785c5a-f52f-4249-8a70-ff3f27506294.jpg?v=1789045534"},{"product_id":"j-pod-cartridge-green-0-7ml-1-5mm-inlet-100-pack","title":"J-Pod Cartridge Green 0.7ml 1.5mm inlet (100-pack)","description":"Now available are fillable e-liquid pods. 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