BACKFLOW PREV 1/2MXM BULK LF

End Size1: 1/2 Inch,End Type1: Male Threads,End Size2: 1/2 Inch,End Type2: Male Threads,Material: Non-Toxic Food Grade Materials,Complies With CA/VT Regulations: No Lead-Free,Direct Replacement For Marshall Brass And For Hydronamic Products,Made Of Non-Toxic, Food-Grade Materials,Certified To IAPMO And NSF Standards,Limited 90 Day Warranty