You ll find a tree perc in the middle of the water pipe bubbler with 4 arms or finger percolators. Each finger contains tiny slots. The fingers force the smoke to go through a long path making it very smooth. This high quality, heavy duty water pipe is made of borosilicate glass and has a 19mm down stem and a 14mm matching dry herb bowl. It also features an ice catcher found on the neck of this outstanding water pipe. The base of the pipe has a one of a kind look that you won t find on a typical pipe. Which makes this water pipe really standout is a slotted downstem. Dry herb bowl included, 3.5 diameter water chamber. Water pipe 19 mm female joint comes with 14 mm male dry herb bowl.