high quality Serve: If you have any questions about our products, please feel free to contact us and we will do our best to assist youSteady Stream: Utilize a constant, steady stream of water. Allows you to control the flow of water from your enema hose, please keep water pressure at healthy levelsShower Thread: 1/2 Inch BSP (Standard thread size)Shunt size: 2 7/8 inch ports and 1 1/2 inch portsNeat Enema System: Its douche/enema nozzle is outfitted for use as a shower attachment, can be screwed onto your existing shower or sink. This shower head could connect well with international standard shower tube, fit most of tube in bathroomGreat tool 7: hole design effectively to increase the water flow to reduce the contact area of the wall surface of the skin