The umbrella perc oil / dab rig design features a flared foot base, a six cut fused and fixed Umbrella Perc, a 90 degree bent neck flute, and includes a 14mm domeless quartz nail.
Height: 6 inches
Bowl: 14mm angled dome and nail
Grav Labs is a US designer, manufacturer, and distributor of some amazing high quality scientific glass bongs, dab rigs, bubblers, hand pipes, and much much more. They were founded in 2004, in Austin, Texas and are known around the world for their quality pieces. Grav is easily one of the most respected names in the glass industry, and their product quality, design, and functionality are a clear indication as to why.