WOJET Pressure Waser Surface Cleaner 22" with Castors 4000PSI Commercial (22 inch) PA7604Brand: WOJET Features: MATERIAL: STAINLESS STEEL+ALUMINUM Removing deposits, mass, algae, fuel, oil and grease from drive through pads, boat ramps, tennis courts, roofs, pools, decks , walkways, factory floors, semi trailer floors, fishing docks, and loading docks Cleaning off stubborn stains from asphalt and concrete surfaces Disinfection for the highest hygiene demands in saunas, bathroom areas, and in the catering industry. Requires three (1 4")