Oregon 37-300 Pressure Washer Rear Entry Trigger Gun Medium Duty 3,625 Max PSI 6.6 GPM 140-Degree F Max 3/8-Inch Female Inlet & 1/4-Inch Female Outlet 3625 PSI max 6.6 GPM gallons per minute 140 degree max temp 140 degree max temp 3/8-Inch female inlet