Tweet ZURN 375 REDUCED PRESSURE BACKFLOW PREVENTER Zurn® Wilkins 212-375 Reduced Pressure Principle Backflow Preventer, 2-1/2 in, Flanged, Contains Lead Nominal Size 2-1/2 in 2-1/2 in Nominal Size 2-1/2 in 3 in 3 in Nominal Size 3 in 4 in 4 in Nominal Size 4 in
