Full ceramic vape cartridge 0.5ml from Boshang, 4th generation ceramic coil, designed for CBD and cannabis oil use, latest generation technology. 1. Capacity: 0.5ml 2. Coil: Ceramic coil 3. Oil hole size: 4 square oil intakes. 4x 1.5 * 0.8mm Designed for thick oils 4. Oil Cup Material: Full Ceramic, Glass 5. Diameter: 11.5mm 6. Hight: 50mm 7. Resistance: 1.4Ω 8. Mouthpiece: Full Ceramic 9. Thread: 510 Thread BOSHANG x Chinese Academy of Sciences Fourth Generation Microporous Ceramic Coil:Kucoil Jointly developed and designed Boshang (KU) Technology, and the famous Chinese Academy of Sciences. Boshang and the famous Chinese Academy of Sciences have jointly created a professional ceramic heating coil, which has fully studied the molecular structure of THC and CBD. The fourth-generation atomizing coil can make the oil atomize more fully and the flavour more pure. Full Ceramic design – totally free of heavy metals Premium plump ceramic mouthpiece, brings a luxurious mouth feel Compared with Boshang FC20, the FC37 is thicker and shorter. More importantly, it has 4 relatively large square holes, which is rare in the field of all-ceramic cartridges, because the processing of 4 holes in ceramics is much more difficult than metal, allowing for better flow even on thicker oils. Powers FRYD Extracts Vape Cartridges Boshang proudly power all of Fryd Extracts product line of cartridges and disposable pens! Click-Lock Tips These carts feature brilliant press-on Tips. This means you don’t have to screw in your carts after filling. Simply instead push the tip on with enough gentle force (no machinery required) . It’s a one way action. Child proof lock design, no removing after the tip is pressed on. Only push on the tip after filling your cartridge! Great oil compatibility It is very suitable for Delta8/D8/9/CBD/ THC Extracts/HHC/THCO/THCP/THC-A/Live resin/rosin/liquid diamonds and other heavy oils, and its 4-hole structure allows the thick oil to atomize at will. Glue-less design Our full ceramic cartridges are designed without any glue, often used to seal the base of ceramic cartridges. This provides a much more attractive visual design as well as avoiding any hazards of using glue at all. Compatible with 14g filling needles for easier filling of thick oils Product name Full Ceramic 0.5ml Cartridge Feature Ceramic Use for CBD, Distillate, Extract Material Ceramic, Glass, Lead-Free Colour White Thread 510 Resistance 1.4 Ω Coil cotton wrapped ceramic coil Oil hole 4 – wide Oil hole size 4x 1.5 * 0.8mm Diameter 11.5mm Mouthpiece Ceramic Tank capacity 0.5ml Weight 9.5g Product size Φ11.5(D) x 50(L)mm Certificate CE,RoHS Warranty 6 months Key words cartridge, vape cartridge, ceramic cartridge Note Immediately cap the cartridge well once filling  finished to avoid leaking