Apollo 4NLF3A33A Bronze Lead Free Dual Check Valve, 1/2" NPT Female

The Lead Free Apollo Model DUCLF4N (4NLF-300) Dual Check Valve prevents backflow by either backpressure or back-siphonage from a cross-connection between potable water lines and substances that are objectionable, but not health hazards. Lead free bronze C89836 body, Lead free brass C27450 tailpiece, Brass C36000 union nut, Glass-Filled Noryl Check Modules, Stainless Steel Springs, EPDM Seat discs. 3" NPT Female, ASSE 1024 and CSA B64.6, ANSI 3rd Party Approval to AB 1953 0.25 percent Lead Max.