Enhanced Cleaning Efficiency - Dual high-pressure jets a larger cleaning area deliver up to 4500 PSI high pressure, breaking up dirt streaks 5X faster than a single nozzle. It is ideal for pre-cleaning large flat surfaces such as patios, driveways, sidewalks, porches, decks Quintuple Long-lasting Construction - Constructed from indusrial grade stainless steel housing, heavy-duty bearing, metal jets, 4 enhanced universal wheels 2 x 15inch extension ws, this well-built pressure washer surface cleaner kit boasts a lifespan of up to 10 years, minimizing maintenance costs Simple Connect \u0026 Control - Equipped with a 1\/4inch quick plug, our surface cleaner easily connects to the included pressure washer extension ws in seconds. With 4 x 360\u00B0 universal wheels a 180\u00B0 swivel bearing, it offers enhanced maneuverability ease of use, significantly saving your time energy High Compatibility - Designed with a 1\/4inch quick plug, it is compatible with most gas electric pressure washers rated between 2000 to 4500 PSI 1.8 to 3.7 GPM. For the best cleaning results, use a pressure washer with 2500 PSI or higher, as greater power improves cleaning effectiveness. For optimal performance, start with the surface cleaner for a thorough pre-clean, then finish with the pressure washer gun for detailed cleaning. Combining both will provide the most effective results Colour:Silver Material:Metal Package Contents: 1 x concrete cleaner kit Only the above package content, other products are not included. Note: Light reflection different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is and\/- 1-3cm.