Glass Round Base with Curve Neck Mini Waterpipe 12.5cm14mm Female connector Size This Waterpipe features a 14mm female connector size. It is compatible with all 14mm male connector shisha stem. Round Base Shape This Waterpipe has a classic round base shape that help 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 is still full of flavour. Stem and