Get current pricing for Aro, P020A-AAP-GGG Aro Diaphragm Pump Rated At Approximately 170 Gpm. Pump Ratio Is 1:1, 1.4 Gallons Per Cycle. Fluid Inlets And Outlets Are 2 Nptf. Aire Inlet Is . Product Category: Process Equipment, Sub Category: Water Treatment - Misc.: