Calibear Straight Fab Rig For Dr. Dabber Switch 2Engineered for clean, efficient filtration, the Straight Fab Rig is a high performance glass piece designed for serious concentrate users. Featuring a multi hole disc percolator at the base and an upper fab style chamber, this rig ensures superior smoke diffusion and consistent air circulation. Each draw is cooled, filtered, and delivered with precision thanks to its advanced two chamber recycling design. Made from durable borosilicate glass, is built