To use a vape cartridge, simply remove the plastic cap from the base of the cartridge and screw the cartridge onto the vape battery. Once the cartridge is securely in place, turn on the battery and begin inhaling to activate heating the coil. Inhale for about 3-4 seconds then exhale for optimal vape usage. It is recommended to wait 30 seconds in between puffs to keep the cartridge from overheating, leaking, or clogging. The wholesale empty vape cartridges that we carry are made up of three main parts: The atomizer (heating element), the glass or plastic tank, and the mouthpiece. The atomizer houses the heating element, which is heated up using energy from a battery. There are aperture holes leading into the coil chamber that allow the flow of oil into the coil to heat up. Once heated, the oil evaporates, creating a vapor that is then released through the intake chamber up into the mouthpiece and into your mouth. The whole process only takes a few seconds from turning on the battery to inhaling the vapor.