Cash Acme 17217-0000LF BF1 3/4-Inch Dual Check Backflow Preventer with Threaded Union Inlet， Lead Free<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Cast bronze body and brass union inlet connection</li><li>The Cash Acme BF -1 is available in 3/4" and 1" sizes and incorporates a female threaded union inlet and a female threaded outlet</li><li>The BF Series is certified to ASSE 1024 and CSA B64.6</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41LBsVUcEXL.jpg" noproxy>