Directly Supplied by One of the Biggest Plumbing systems Manufacturers Perfect for faucet, dishwasher connection, Copper and brass made Tee water hammer arrestor Connection: 3/8" Compression x 3/8" Max working pressure: 250 PSI Maximum working temperature 250 F Reduce the unstable water pressure and noise to protect dishwasher control system Lead Free Brass and Copper, CUPC and NSF Certified Directly Supplied by One of the Biggest Plumbing systems Manufacturers Perfect for faucet, dishwasher connection, Copper and brass made Tee water hammer arrestor Connection: 3/8" Compression x 3/8" Max working pressure: 250 PSI Maximum working temperature 250 F Reduce the unstable water pressure and noise to protect dishwasher control system Comply with NSF-61, Safe For Potable Water