AR Blue Clean 10" Deck, Patio & Flat Surface Cleaner. Save time, water and energy on your next cleaning project. Ideal accessory for cleaning patios, decks and driveways With the AR Blue Clean 10 Deck, Patio & Flat Surface Cleaner, you can clean up to 60-80% faster than just using a standard wand. It quickly attaches to the spray gun and includes a 15" extension lance for easy use Specifically designed to keep water from splashing onto siding and walls, and a nylon brush skirt prevents overspray Only Works with AR Blue Clean Units: AR112, AR114, AR116, AR118, AR141, AR142, AR142P, AR240, AR260, AR383 & AR388.