Double Diaphragm Pump Air Consumption (Maximum) 50 scfm Air Intake Connection Size 1 in Air Intake Connection Type Tri-Clamp Check Seat Material 316 Stainless Steel Diaphragm Material Santoprene Feet of Head (Maximum) 289 ft Flow Rate (Maximum) 54.5 gpm Manifold Connection Single Port Media Discharge Connection Size 1 in Media Discharge Connection Type Tri-Clamp Media Discharge Location Center Media Intake Connection Size 1 in Media Intake Connection Type Tri-Clamp