http://www.vaporplants.com/vaporizers When smoking you are naturally creating combustion due to burning. Smoke contains carcinogens that is known to cause cancer, as well as other dangerous toxics. Weed vaporizer removes most of the carcinogens, removing about 95%. If looking to quit smoking, try out a vaporizer. Smoke, Cannabis, Weed Bong, Weed Pipes, Smoking Pieces, Hookahs, Weed Bowl, Cool Pipes, Cool Bongs