AY McDonald 4424-100 2069C 1 1/2 Clear Silent Check Valve</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Eliminates the typical hammering of a sump check valve after the pump cycles</li><li>All valves are pressure tested to ensure Leak-proof performance</li><li>Stainless steel clamps included</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/31PBzVF51lL.jpg' noproxy></br>