Grenco Science engineers some of the most advanced, user-friendly portable vaporizers in the world. Founded in 2012, they were the first to market a tank system specifically designed for personal aromatherapy regimens. Grenco Science integrates superior functionality. They are known for their classic G Pro, available in a variety of styles and colors. They also offer, top of the line vaporizer pens such as the Elite, G pen, G Pro, Micro G and Accessories such as chargers, tanks, mouth pieces, batteries, and grinders.