Features of C19-VC cbd cartridge:
1. Top adjustable airflow design, 100% no leakage.
2. Vertical Ceramic coil, pure taste
3. Special oil cup stucture, easy to fill by machine
4. 4*1.0mm oil hole size, fit for both thin and thick oil.
5. Pyrex glass, no chemical reaction, high temperature resistant.
6. 1.2ohm resistance, big vapor
7. OEM/ODM logo/packaging/color/resistance/hole size according to your requirements.