Two-in-one Undercarriage & Surface Cleaner Fully Upgraded Pressure Washer Surface Cleaner Compared with other similar products, our driveway pressure washer attachment has undergone a comprehensive upgrade, with a reinforced bearing sealing design, ensures that issues like breakage or water leakage will not arise even after several years of use. Car Guard - Undercarriage Washer Switch to the undercarriage pressure washer attachment in seconds, provides vital protection to your car's underside, extending its lifespan while enhancing safety, performance, and fuel efficiency, keep your vehicle in optimal condition. Performance How much does this unit weigh, and is it easy to move around with the wand, or will the wand bend? This dual-purpose surface cleaner weighs 11lbs and measures 15.5", features high operability. Suggested not to use the curved wand when using as the surface cleaner. Can the tips be removed so you can blow water through to clean out any clogs? Yes the tips can be removed for cleaning. There are replacement nozzles and wrench and nozzle cleaning needle in the package. What is the minimum pressure to work properly? Surface cleaner can be used with as low as 1600 PSI. However the recommended pressure is 2000-4000 PSI. Will this work on pavers or is it only for smooth surfaces? Yes, this pressure washer surface cleaner works great on brick, concrete, wood, fences, and garage doors. Can this be used with an electric pressure washer? Yes, it's compatible with gas or electric power washers (up to 4000 PSI) with /4" quick-connect fitting.