The RYOBI Rotating Wash Brush is the perfect pressure washer accessory for outdoor cleaning. The brush features low-pressure rotating inner bristles that help quickly clean delicate surfaces. The soft bristles and orbital action are ideal for use on cars, boats, patio furniture, recreational vehicles and other outdoor surfaces. Easily attach the RYOBI Rotating Wash Brush to your pressure washer with the 1/4 in. quick-connect system, bayonet connection or M22 connection. Once connected to a pressure washer, the water runs through the Wash Brush to help remove dirt, grime, oil, grease, road film and more. The RYOBI Rotating Wash is compatible with most gas pressure washers up to 3300 PSI.