This is a 12.9" tall straight bong with two chambers. Both rooms have the same 11-arm tree filter. It looks like a tree perc bong or ash catcher bong as there is no more room to hold the smoke. So it's easy to get a smooth blow when there are more tree filter arms and the smoke is drawn into the lungs faster. The tree perc forces the smoke to wash completely in the water. All bongs come with matching accessories.