Designed to meet the rigorous demands of the cleaning pro, the SIMPSON^® Aluminum Series frame is crafted of 100% professional grade aluminum, making it lighter in weight than most steel frame designs. Perfect for contractors who specialize in deck cleaning, wood restoration, paint preparation, graffiti removal, and all other professional cleaning services. Equipped with commercial series OHV engines and industrial triplex plunger pumps that are built with high-quality components and designed for optimum performance in the harshest environments. Welded aircraft grade aluminum platform with brushed extruded aluminum tubing and pneumatic tires for mobility across most any surface. Pro-style quick connect spray wands and nozzles, with professional spray gun, allows users to operate with ease. High pressure hoses are non-marring, kink and abrasion resistant, and either polyester or steel-braided for exceptional strength and long-life. For those extra dirty jobs, drop the detergent siphoning tube into pressure washer safe detergent and attach the soap applicator nozzle.