The RYOBI 15 in. Surface Cleaner is the ideal choice for cleaning hard surfaces like driveways, patios, and sidewalks. This surface cleaner is compatible with gas pressure washers up to 3400 PSI and 2.5 GPM. This time saving accessory cleans up to 5X faster than a standard nozzle, with rotating high pressure water jets that provide a large, streak-free path. It is designed with three caster wheels to easily maneuver from one area to the next. The 15 in. surface cleaner easily attaches to a 1/4 in. quick connect wand, allowing you to move quickly between jobs. The RYOBI 15 in. Surface Cleaner is compatible with most gas pressure washer brands.