Buy Vape Cartridges Online, THC Vape Oil Cartridges for sale, THC Prefilled oil vape cartridges are mini vape tanks filled with cannabis oil, sometimes referred to as hash oil. The tank contains a small coil that is powered by either a standard weed pen battery. Our THC Cartridges contain a gram (1g) of THC Oil, We provide vape cartridges with all their flavor for you at gotcaliweed.