**Product Details:** - Low Pressure, 2 Cylinder, 2 Diaphragm Pump - Made by UDOR - Part # IOTA 25 GR3/4 - IOTA Series Pump - Includes Gear Reduction for 3/4″ Shaft Gas Engine - Internally Manifolded - Constructed from Anodized Aluminum and Stainless Steel - Includes Pulsation Dampener - 3/4″ Hose Barb Inlet Port - 1/2″ Hose Barb Outlet Ports - 5/8″ Hose Barb Bypass - Comes with GREENTECH Diaphragms - 7.0 GPM - 290 PSI - 600 RPM