About this item【Professional Surface Cleaner】This 16.5" professional cleaning attachment is designed to clean surfaces effectively, efficiently tackling large areas of stubborn stains. It is suited for patios, driveways, decks, and pavements. Additionally, it can be used on vertical surfaces such as brick walls and other types of cladding.【Two Replaceable Nozzles】Includes 2 additional nozzles for replacing the original one in case of severe clogging. If a nozzle becomes blocked, you can use a pin to remove sand or other debris from the nozzle, then rinse it with clean water.【Efficient Surface Cleaner】The surface cleaner is equipped with 4 wheels, allowing the pressure washer surface cleaner to move easily and flexibly across large areas. A r.