Grav Labs is an Austin based Glass manufacturer. They are one of the most innovative brands on the market with a plethora of styles like Stax, Turbine, Upline, Gravitron, Helix and Grav Labs water pipes. Grav was founded in 2004 with a single product, The Gravitron. Grav Labs is known for their high quality scientific glass pieces. They have the best selection of bubblers, dab rigs, glass bongs, and pipes. We are proud to be an authorized Grav Lab retailer.