The Westinghouse 16.5" pressure washer surface cleaner attachment is for cleaning various surface materials like brick, wood, concrete, and more. Both beginners and professionals will enjoy this easy to use and reliable attachment for home or business. The 16.5" cleaning path will make quick work of large, flat areas both horizontally and vertically. Rated up to 3400 PSI, this surface cleaner is powerful enough to eliminate stuck-on dirt without harming the surface material. Compatible for use on most gas and electric pressure washers with a 1/4" quick connect fitting making it an easy addition to any pressure washer's toolkit. At just 6 pounds, the PWSC16.5 is light yet durable and includes a 180-day customer warranty from Westinghouse, known for providing quality products to Americans for over 100 years.