Reliable function: relief valve with overflow With the simple click-clack function, it closes and opens in fractions of a second! You don't have to worry about the sink clogging and the sink stopper leaking Material: POP-UP drain fitting uses high quality compression spring with good resistance to bouncing and bouncing, chrome plated and sturdy copper surface effectively prevent corrosion and rust, slow down the aging rate. The double seal can seal the water quickly and prevent water leakage. Universal installation dimensions: the waste kit is suitable for sinks with / without overflow. Sink plug with standard G1? connection, perfect for all standard sinks and vanity units. Easy installation: the sink valve with simple and practical accessories makes installation very easy! Simply follow the steps in the installation guide. Easy to clean - simply unscrew the top pressure cap from the drain hose and clean it with a rag. The clean and stylish basin drain faucet ensures that your family is in a good mood all day