Dual Check with Atmospheric Vent Inlet Type MNPT Outlet Type FNPT Inlet Size 3/8 in Outlet Size 3/8 in Body Height 2 3/8 in Max Temp 180 Degrees F Auto Re-Seating No Body Material Lead-Free Brass Body Width 1 1/4 in Standards ASSE 1035 CSA B64.7 NSF 372