... watertight.Angle of use:Triangle valve use - protect your faucet and hose, water control switch, decompression, a ... control the size of the role of water, with the angle valve, you do not have to worry for ... , simply by adjusting the angle valve, you can easily control the water pressure, and also to protect ... , very simple, ah, to control the hot water angle valve in your home off on it, from want ...