50mm Matrix to Dual Turbine Perc Straight Tube
This 14" Grav Labs straight tube bong features three percolators for ultimate diffusion of your smoke or vapour. Crafted from thick clear glass, this filtration monster is home to a matrix percolator as well as two turbine disc percs. If you haven't heard of matrix percs, you will be glad to find out that they are one of the best at filtering smoke through water. The turbine percs, besides furthiner the diffusion process, spin your smoke and water around, creating quite the visual. This bong features a 90˚ stemless 14mm female joint along with a trumpet-style mouthpiece. Each piece of glass features a Grav Lavs spiral decal on the main chamber. Included is a 14mm bowl with glass handle.