ST5 Coloured Twister Triple Round Base Glass Waterpipe 20.3cm14mm Female connector Size This Waterpipe features a 14mm female connector size. It is compatible with all 14mm male connector shisha stem. Round Base Shape with Spiral Tube Shape This Waterpipe with triple round base along with twister shape helps submerge the shisha stem. When the smoke is pulled through the shisha stem, it diffuses in the bubble base before being pulled up the top of the tube. This process results in a smoother and cooler hit that