Pressure: 4000 PSI Flow Rate: 1.8 GPM - 3.7 GPM Power Source: Gas Powered, Corded Electric This professional surface cleaner provides a commercial-grade cleaning area that is 14 inches wide. Hover action makes the surface clean faster and more efficiently than nozzles alone. It removes tough stains from expansive flat surfaces like patios, driveways, decks, and sidewalks. Key Features Most gasoline pressure washers with a maximum pressure of 4000 PSI, a minimum pressure of 2000 PSI, and a maximum flow rate of 3.7 GPM can be utilized with this surface cleaner. Its long-lasting stainless steel structure and heavy-duty bearings are genuinely incredible. Connecting with the included pressure washer lance or another 1/4" quick connect fitting is easy.  Why Buy This When compared to standard nozzles, surface cleaners for gas and electric pressure cleaners can cut cleaning time by up to 60%. Dual-pressure water jets in a 14-inch surface cleaner spin quickly to break up dirt and grime without staining or striping surfaces. And compared to a standard nozzle, this best water-pressure washer can clean large surfaces up to 5 times faster.