Dr. Tom’s CBD Vape Oil is some of the purest CBD available in cartridge form. CBD Cartridges have become ever so popular due to the ability to micro dose the smoking experience with a cartridge. Each cartridge is infused with flavoring, so you receive a flavorful vape experience upon each hit from your vape pen. Our cartridges are available in 500mg and 1000mg form. Each cartridge has a 0.5ml capacity.