Will work with any pressure washer, but at least a 6.5 HP engine/3.0 GPM or greater is highly recommended.
The BE-1800WAW Whirl-A-Way cleans flat surfaces quickly, easily, and evenly. Use it, along with a power washer, to clean large flat surfaces such as long driveways, parking lots, rooftops, or pool decks. This flat surface cleaner prevents zebra striping and increases your cleaning time by up to sixty percent over a regular nozzle. This model has zero wall clearance