Diaphragm Pump, Air Intake Connection Size 1/4 in, Air Intake Connection Type NPT, Diaphragm Material Santoprene, Feet of Head (Maximum) 15 ft, Flow Rate (Maximum) 47 gpm, Manifold Connection Multiport, Media Discharge Connection Size 1 in, Media Discharge Connection Type NPTF, Media Intake Connection Size 1 in, Media Intake Connection Type NPTF, Operating Pressure (Maximum) 120 psi, Priming Self-Priming, Pump Assembly Type Bolt, Solid Diameter (Maximum) 0.12 in, Valve Material Santoprene