Double Diaphragm Pump Air Consumption (Maximum) 100 scfm Air Intake Connection Size 1/2 in Air Intake Connection Type NPT Check Seat Material Buna-N Diaphragm Material Buna-N Feet of Head (Maximum) 289 ft Flow Rate (Maximum) 130 gpm Manifold Connection Single Port Media Discharge Connection Size 1 1/2 in Media Discharge Connection Type NPTF Media Discharge Location Center Side Media Intake Connection Size 1 1/2 in Media Intake Connection Type NPTF