Watts Reduced Pressure Zone Backflow Preventer, Cast Iron, Watts 909 Series, Flanged Connection - 4 LF909-DNRS Nominal Size-33" X 18" X 0.5" At either end of the

At either end of the grab bar and at the center is a flange that is 3-1/8 inches in diameter

Inlet Size: 1/4 in

Fresh Water Flush

Item: Shower Head Kit

air inlet & pressure relief valve

Watts Reduced Pressure Zone Backflow Preventer, Cast Iron, Watts 909 Series, Flanged Connection - 4 LF909-DNRS Nominal Size-33" X 18" X 0.5" At either end of theReduced Pressure Zone Backflow Preventer; Series: Watts 909; Size: 4 in; Connection: Flanged; Body Material: Cast Iron; Temp. Range: 33 Degrees to 110 Degrees F; Max. Temp.: 140 Degrees F; Max. Pressure: 175 psi; Width: 34 1 8 in; Length: 55 1 8 in; Standards: ASSE, AWWA, CSA, UPC, USC