Pump, Model 853722 DP-15 Series, Air Operated Double Diaphragm Pump, Hytrel Diaphragm,
Yamada Pumps DP-15BPH Type, Model 853722 DP-15 Series, Air Operated Double Diaphragm Pump, Hytrel Diaphragm, Hytrel / Buna-N Flat Check Valve / O-Rings, Polypropylene - Ball Valve (PPG) Material, 7.4 GPM Max Flow, 1/2" NPT Fluid Port, 1/4" Female NPT (includes ball valve) Air Inlet, 3/8" Female NPT (includes silencer) Air Exhaust, Aluminum Air Motor, 10 Feet Max Suction Lift.