B.W. Machinery 15inch Rotating Surface Cleaner fits most petrol pressure washers and all BWM pressure washers. BWM quick connect rotating surface cleaner is used for cleaning driveways, sidewalks, patios, garage floors, and more. With its 15″ diameter, this accessory allows you to cut cleaning time and have the large cleaning jobs done fast. The BWM rotating surface cleaner is compatible with all BWM pressure washers and most common petrol pressure washers and is rated up to 4000PSI.