The Bubble Base Waterpipe is 6" tall and made on 25mm tubing. Its fission downstem diffuses smoke through water and is fixed inside the pipe to prevent damage.The round-based water pipe comes ready to use with a 10mm GRAV Cup Bowl and functions best with approximately 1" of water. Water Pipe Features: Height: 6" Use With: Dry Herb Made on 25mm Tubing Joint: 10mm Female Comes With: 10mm Cup Bowl Designed By: Stephan Peirce What's in the Box: 1x - 6" Bubble Base Water Pipe with 10mm Bowl by GRAV 1x - 10mm Cup Bowl