AC1003 Oil Cartridge
1. Top Side Fill, Friendly to both hand-filling and machine-filling.
2. Ceramic heating element, which is more healthy than wick. Meanwhile, ceramic coil won't have the burn taste, thus it can ensure the best experience of smoking.
3. Adjustable hole size, fits for different kinds of oil.
4. Transparent glass tank, show your oil perfectly.
5. 510 Thread, fits for most batteries on the market.