Hypro D30GRGI Diaphragm Pump Includes 9910-GS40GI Regulator and 9910-KIT1640 Gearbox Max. 9.5 gpm ; Max. 580 psi ; Max. 3600 RPM ; Max. 140 deg. F 1" HB inlet, 1/2" HB outlet CW and CCW rotation Two diaphragm pump