Zurn 972-43 Wilkins Relief Valve Diaphragm for 3/4-Inch and 1-Inch 975XL</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Zorn delivers total building solutions for new construction and retrofit applications that enhance any building's environment</li><li>Recognized leader in commercial， municipal and industrial markets</li><li>Works with either the 3/4" or 1" Wilkins 975XL double check back flow preventer</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/51DpFJQYMoL.jpg' noproxy></br>