A how to use our new O2 vape and refillable cartridges. You first remove the cartridge from the packaging. Then you remove the rubber covers from the threading. Finally, you screw the threading at the bottom of the cartridge into the battery.
A how to use our new O2 vape and refillable cartridges. You first remove the cartridge from the packaging. Then you remove the rubber covers from the threading. Finally, you screw the threading at the bottom of the cartridge into the battery.
