Item Type: 15 Inch Pressure Washer Surface Cleaner_x000D_Material: Stainless Steel, Brass_x000D_Weight: Approx. 4170g/147.1oz_x000D_Diameter: 15 Inches_x000D_Maximum Working Pressure: 4000 PSI_x000D_Interface: 1/4inch Quick Connector 1Widely Used: 15 inch surface cleaner with up to 4000 PSI pressure washer is ideal for cleaning floors made of different materials such as plastic, concrete, tile, and natural stone. 2Hard Brush: 15 inch pressure washer surface cleaner has a hard brush that effectively removes dirt and debris, resists abrasion and prevents high pressure water spray. 3Air Inlet: The air inlet at the top of the valve disc of the 4000 psi pressure washer surface cleaner helps air escape and creates a downward force to prevent lifting. 4High Efficiency: The 15 inch surface cleaner has dual pressure water jets that rotate quickly to pulverize dirt without leaving streaks or streaks on the surface. Speeds up to 5 times faster than standard nozzles. 5Premium Material: 15 inch pressure washer surface cleaner features heavy duty brass and hardened stainless steel construction for rugged durability and long life.1 x_x000D__x000D_15InchPressureWasherSurfaceCleaner 2 x Connecting Rod 1 x Rubber Ring 7 x Accessories 1 x Manual 1. To avoid the nodules being clogged with sand or other debris, you can use a water inline filter._x000D_2. If the nozzle is difficult to remove, please heat it with a hot air blower before removing.