Feature:1. Widely Used: 20in surface cleaner with pressure up to 4000 PSI, ideal for cleaning floors of different materials such as plastic, concrete, tile and natural stone.2. Hard Brush: The 20in pressure washer has a hard brush that effectively removes dust and debris, resists abrasion and protects against high pressure water jets.3. Air Inlet: The air inlet at the top of the 4000 PSI pressure washer surface cleaner valve disc helps air escape and creates a downward force.4. Efficient: 20in surface cleaner features dual pressure jets that spin quickly to crush dust without leaving streaks or streaks on the surface. Up to 5 times faster than standard nozzles.5. Prime Materials: 20in pressure washer surface cleaners are made of heavy duty brass and hardened stainless steel construction for rugged durability and long life.Specification:Item Type: Surface CleanerProduct Diameter: 20inWeight: 7700g / 271.61ozMaximum Working Pressure: 4000 PSIInterface: 1/4in quick connectProduct Material: Heavy duty brass Stainless steel.Package List:1 x Cleaner2 x Connecting Rod1 x Rubber Ring7 x Accessories1 x ManualNote:1. To avoid nodules being clogged with sand or other debris, you can use a water inline filter. 2. If the nozzle is difficult to remove, please heat it with a hot air blower before removing.