eCab cartridge is the latest Joye tank cartridges without tissues inside.
You can drip eliquild directly into the tank cartridges easily. Buying empty
cartridges makes you have an empty ready to fill cartridge for any flavor
or strength you wish to vape.
Potentially an over-used cartridge could damage the atomizing unit it will
also detract you from the vaping experience. So Charging the cartridges
from time to time is needed for your better use.