**Product Details:** - Hydraulic Gear Pump - Made by Hypro - Part # 8304BV-HM5C - 1/2" NPT Inlet - 3/4" NPT Outlet with Check Valve - 10.4 Max GPM - 100 Max PSI - 4.5 Max Hydraulic GPM - Also Called a Positive Displacement Style Pump - Works well for De-Icing and Anti-icing when Pre-Wet - Includes an Internal Gear Motor - Flow Control Fine Tuning is Made Possible by the Bypass Adjustment - Compact Size - Brass Pump Material Resistant to Corrosion