Grav® Umbrella Perc Dab Rig Grinder_Large This handheld vaporizer is highlighted

This handheld vaporizer is highlighted by a glass-lined ceramic oven with a temperature control system that can be adjusted from +1 to -1 degree accuracy up to 430°F

This sort of speed is simply not possible with traditional convection and conduction vaporizers

The wooden scraper has a built-in magnet so it stays attached to the tray when not in use

Circular Airpath

Grav® Umbrella Perc Dab Rig Grinder_Large This handheld vaporizer is highlightedNothing can rain on your parade while dabbing with the Grav Umbrella Perc Dab Rig! This glass mini rig is named after its innovative umbrella perc located inside the base that thoroughly filters your dabs through water. Once your vapor passes through the umbrella perc, the smoke travels to the top of the chamber and through the bent neck. The bent neck on the Umbrella Perc Dab Rig acts as a splashguard and prevents the water inside from reaching your