This is a two chambered piece, it features a normal beaker base chamber but adds a 8-Arm Tree percolator in the tube. The smoke will travel through water two separate times, further cooling the smoke down. Our 8-Arm beaker is elegant and durable. Made of borosilicate glass, this bong sits on a 12mm thick and 5 inch wide base making it a sturdy option for our smokers. This is a two chambered piece, it features a normal beaker base chamber but adds a 8-Arm Tree percolator in the tube. The smoke will travel through water two separate times, further cooling the smoke down. This bong comes equipped with a deep bowl that will give you a nice, even burn.