If ultimate diffusion is what you are looking for in a bong then look no further. This amazing beaker bong stands 16'' tall and features a 14mm removable diffused downstem to kick off the diffusion. The double sprocket perc in the neck chamber will diffuse your smoke even further. Add ice to the grooved ice pinch to cool your smoke even further. This bong was designed for massive rips! Made by Black Sheep Glass in California using high quality borosilicate glass.