Tired of coughing up phlegm?? Here at GrowKind we switched from smoking to vaporizing 10 years ago, and our lungs have never felt better. In that time we have tried every vaporizer you can think of including domes, digital vaporizers, light bulbs, heat guns, and the volcano. Some work better than others but after all that time we still go back every day to our Vaporbrothers vaporizer. Do yourself and your lungs a favor. Don't Smoke! -- Vaporize!