Air Operated Diaphragm Pump, Non Metallic Double Diaphragm, Air Inlet 1/4 In, Flow 17 GPM, Max Flow 15 CFM, Max Flow 21 GPM, Max Operating PSI 100, Inlet 3/4 In FNPT, Outlet 3/4 In FNPT, Port Type Single, Max Dia Solids 1/16 In, Max Temp 180 F, PTFE Ball Material, Polypropylene Body Material, Polypropylene Check Seat Material, PTFE Diaphragm Material, Self Priming Dry 15 Ft, Self Priming Wet 28 Ft