Downstem diffusers are an essential part of any bong or water pipe.  They function by transporting the smoke from the bowl or slide into the water chamber for a cooler and smoother hit.  Just like the bongs and water pipes they accompany, downstems come in a large variety of sizes, and styles. Choosing the right kind can be both daunting and confusing, so to make things a little easier, see our post How to Measure and Buy the Right Downstem.

Go back to Water-Pipes Accessories