[SAFE TO USE]: It is made of lead-free brass, which is safe for drinking water and water distribution. [APPLICATION]: angle water hammer arrestor protects washing machine control plumbing system, which can prevent pipes from shaking and pounding to reduce the unstable water pressure and noise. Mini residential water hammer arrestor, perfect for laundry washer supply valves or washing machine tube connections. [LONG LASTING]: water hammer arrestor is from high-quality brass that delivers high and abrasion resistance percentage, it would be quite abnormal for them to fail in regular residential settings. It is a perfect material for pipe fitting system as it can withstand long period of wear and tear. [SPECS & COMPATIBILITY]: This angle water hammer arrestor connects 3/4inch NPT Male and 3/4inch NPT Female. The MAX working pressure and temperature can be rated up to 250 PSI and 180°F., Weight: 1.21915630886 Pounds, Manufacturer: Yoeruers