Double Diaphragm Pump Air Consumption (Maximum) 50 scfm Air Intake Connection Size 3/8 in Air Intake Connection Type NPT Check Seat Material Stainless Steel Diaphragm Material Buna-N Feet of Head (Maximum) 320 ft Flow Rate (Maximum) 49 gpm Manifold Connection Single Port Media Discharge Connection Size 1 in Media Discharge Connection Type NPT Media Discharge Location Center Top Media Intake Connection Size 1 in Media Intake Connection Type NPT Media Intake Location Bottom Center