Double Diaphragm Pump Air Consumption (Maximum) 120 scfm Air Intake Connection Size 1/2 in Air Intake Connection Type FNPT Check Seat Material Polypropylene Diaphragm Material Buna-N Feet of Head (Maximum) 260 ft Flow Rate (Maximum) 177 gpm Manifold Connection Single Port Media Discharge Connection Size 2 in Media Discharge Connection Type Flange Media Discharge Location Side Top Media Intake Connection Size 2 in Media Intake Connection Type Flange