Universal Interface: The shower diverter faucet features one international standard G1/2 inch 20mm female thread water inlet (water inlet) and two G1/2 inch 20mm female thread male thread water outlet (water outlet). Works with most shower heads and shower accessories. Please Note: Please confirm the size you need, check your interface before purchasing. Shower Diverter Three Way: This shower arm diverter is a one-way valve; three-way shower arm that attaches to the shower arm to easily divert the water from a handheld shower and fixed shower head. The water flow of both outlets is controllable at the same time, but the water flow from each outlet is split in pairs depending on your water pressure. Waterproof Design: The rubber gasket ensures a better seal. and, if installed correctly, can fit well your device without causing leakage. High quality materials. : The valve body is made of high quality stainless steel with excellent rust and anti-fouling properties. High quality metal