American Plumber WC34-PR Standard Clear Housing with Pressure Relief Button</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Extends life of household appliances</li><li>Reduces sand， dirt， silt， rust particles， and scale particles</li><li>Cartridge not included</li><li>Compatible cartridges: W30W， w20cl， WSP</li><li>3/4-inch inlet and outlet</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41jX2TSCIGL.jpg' noproxy></br>