6" GRAV Umbrella Perc Rig
14mm Male Joint. Clear Glass Umbrella Perc for Wax Concentrates that diffuse the smoke through water for a clean, smooth hit. Umbrella includes a 14mm Female domeless vail made of heat-tolerant quartz glass. About 1.5" of Water is recommended. For Federally Legal Hemp Only; 18 Years and Older.