Rotary Surface Cleaner with Castors and Aluminium Handle 20in. Diameter with Nylon Spray Skirt. Max. Pressure : 4000psi Max. Flow : 7gpm 3/8in. Quick Outlet 20in. Yellow PP Cover Welded Steel Arm Rotary Spray Bar with 2 nozzles rated to 8gpm at 4000psi Brilliant at cleaning surfaces evenly and quickly. Speed up a cleaning jobs by up to 60 percent. Ideal for professional cleaners. Easy to handle frame is designed for less operator fatigue. Easy pull anti-fatigue gun trigger. Becomes easier to hold past 50 percent pull. Fast / Even Cleaning for Large Flat Surfaces. Great for driveways / parking lots / rooftops and pool decks. Prevents the zebra striping produced by regular sprayers.