Feast your eyes on the Knobby Disk Perc Bong, a 9-inch setup that will have you hitting new highs with massively filtered tokes. With a disk percolator and ash catcher, this water bong will only deliver premium filtered hits that you deserve. But wait, there’s more! If you grab a cheap banger from the $4.20 store turn your bong into a dab rig. Grab onto the bong’s textured neck for a good grip before taking a big rip, you’ll feel well acquainted with this bong very quickly with how easy it is to toke up. Everyone needs a glass bong turned dab rig at some point in their lives, so what are you waiting for!?