Fully customized throughout, the Dr. Greenthumb's x G Pen Roam is an elegantly designed, all-in-one, portable vaporizer engineered to deliver water-filtered concentrate vaporization on-the-go.  Featuring a spill-proof, self-contained borosilicate glass hydrotube, a fully Quartz tank, and powerful 1,300mAh lithium-ion battery, the G Pen Roam heats to temperature within seconds of activation to deliver smooth and flavorful draws with ease.

The G Pen Roam has revolutionized the concentrate vaporizers by introducing the unique glass water filter system known as Hydro-Tube that filters and cools down the vapor without any middle procedure. The unit is powered by the removable battery with a capacity of 1300mAh and heating up in a few seconds. It features a Quartz heating chamber, silicone air-path, and aluminium body. The G Pen Roam does an excellent job in automatic and manual mode with a high-temperature range between 600° and 800°F. In short, the G Pen Roam is a fully functional concentrate vaporizer with excellent performance that is hard to match.