thats right their huricans, their nice I just hit one today the guy paid like $450 for it and the smoke look like a tornado. It was dope. The percerlator is the same as a diffuser its just inside out like a percolator coffe maker. basicaly its two difusers a strait down pipe, and Ice. Ice is a big factor in filtration you can see extra tar collect from separation right before the ice chamber. imp: imp: imp: