Rotating Wash Brush 1/4 quick disconnection fitting for pressure washer. Uses water flow from pressure washer to gently spin a set inner brushes for more effortless cleaning. Ideal for dispensing pressure washer detergent: supply pressure washer with detergent and attach the rotating wash brush to the trigger gun. The best companion for your pressure washer while cleaning your vehicle or home siding. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.