Apollo™ 4ALF20C03 Reduced Pressure Principle Backflow Preventer, 6 in Nominal

Apollo™ 4ALF20C03 Reduced Pressure Principle Backflow Preventer, 6 in Nominal, Standard, Outside Stem and Yoke Flanged, 175 psi, 33 to 140 deg F, Reduced Pressure Backflow, 304 Stainless Steel Body, Domestic