Briggs & Stratton 20559 Powerflow Plus 4.0-GPM 1800-PSI Electric Pressure Washer with 7-In-1 Nozzle and Hose Reel For outdoor cleaning projects including washing cars, patio furniture and driveways Maintenance free axial cam pump offers higher pressure output and low effort starting with a trigger electric start Detergent injection system with (2) 700-millimeter tanks infuse cleaning solution into the water stream for a faster, easier cleaning Powerflow Technology so you can switch between high pressure for deep surface cleaning or high flow for long distance cleaning or rinsing 1-year limited warranty