8" Percolator With Down Stem Diffuser And Accent Bowl - Go Green!! -The Greatest Online Smoke Shop!
Diffuser beads – what are they and how they work?
10.5" drum-diffuser bubbler with a banger
Glasscity Straight Ice Bong with Green Diffuser | 10 Inch | Grasscity.com
Wholesale Green Orange Glass Bongs With Double Diffuser Arm Tree Percs Water Pipe Boro Recycler Dab Rig With 14 Mm Joint By Glass99 Under $30.46 | DHgate.Com
Roor Bongs Diffusers
Glass Bong with Inline Diffuser and Double Percs | Grasscity.com