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Apollo™ RPLF4A Series 4ALF203A2F Backflow Preventer With Standard Ball Valves and SAE Threaded Test Cocks, 1/2 in, FNPT End, 175 psig Pressure
Apollo™ 4ALF204A2F 4ALF-200 Standard Backflow Preventer, 3/4 in Nominal, Shut-Off Ball Valve, Bronze Body, Reduced Pressure, Domestic