T-Racer Patio and Deck Cleaner, fits all Karcher domestic pressure washers to clean patios, decking, natural stone, tiles and concrete, and also cleans garage doors, walls etc. Three to four times faster than a fan jet. with no splash back. Extension tubes can be used with other Karcher accessories. Specifications: Only suitable for Karcher domestic pressure washers. Adjustable nozzle height for increased cleaning power.