2 pieces stainless steel water hammer eliminator for washing machine water supply valve or direct connection to washing machine pipe: 3/4inch female swivel hose thread x 3/4inch male hose thread; Maximum operating pressure: 250 PSI Can be installed horizontally or vertically Suppresses unstable water shock and noise and protects washing machine control system Low lead brass valve body Material: Stainless steel colour: Silver+gold Package Contents: 2 x eliminator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.