Air Operated Double Diaphragm Pump Air Consumption (Maximum) 40 scfm Air Intake Connection Size 1 in Air Intake Connection Type NPT Check Seat Material Polypropylene Diaphragm Material Santoprene Feet of Head (Maximum) 288 ft Flow Rate (Maximum) 63 gpm Manifold Connection Single Port Media Discharge Connection Size 1 in Media Discharge Connection Type Flange Media Discharge Location Side Media Intake Connection Size 1 in Media Intake Connection Type Flange