percolation diffuser

and gives you even more convenience when you're on the go

5mm clear downstem and a 14

offering heat retention and durability you need in an everyday piece

GRAV® Black Accent Straight Base with Disc Bong fumed glass percolation diffuserLooking for a big statement piece that delivers massive smooth hits full of flavor? Take a good hard look at the GRAV Straight Base with Disc Water Pipe, complete with black accents. This big bong is made from durable borosilicate glass. It stands a formidable 16 inches tall. Inside the tall tube is a honeycomb disc perc that works to force water and smoke through multiple tight restrictions to remove tar and debris so you only inhale smooth smoke.