Double Diaphragm Pump, Air Consumption (Maximum) 100 scfm, Air Intake Connection Size 1/2 in, Air Intake Connection Type Flange, Check Seat Material Polypropylene, Diaphragm Material Santoprene, Feet of Head (Maximum) 289 ft, Flow Rate (Maximum) 126 gpm, Manifold Connection Single Port, Media Discharge Connection Size 1 1/2 in, Media Discharge Connection Type Flange, Media Discharge Location Center, Media Intake Connection Size 1 1/2 in, Media Intake Connection Type Flange