Feature: 1. Effective: 15 inch Surface Cleaner has dual pressure water jets that spin rapidly breaking up grime without streaking or striping surfaces. And it cleans large surfaces up to 5 times faster than a standard nozzle. 2. Hard Brush: The pressure cleaner surface cleaner has a hard brush that effectively removes debris, resists wear, and prevents high pressure water jets. 3. Air Inlet: The air intake at the top of the valve disc of the 4000psi pressure cleaner helps air escape and creates a downward force to prevent lifting. 4. Durable: The 15in pressure washer surface cleaner features a heavy duty brass and hardened stainless steel construction for durability and long service life. 5. Widely Used: A 15 inch surface cleaner with pressure washers up to 4000 PSI is ideal for cleaning floors of different materials such as plastic, concrete, tile and natural stone. Specification: Item Type: Pressure Washer Surface Cleaner Material: Heavy Duty Brass, Stainless Steel Construction Weight: Approx. 4052g / 142.9oz Product Diameter: 38.1cm / 15in Maximum Working Pressure: 4000 PSI Interface: 1/4in Quick Connection Extension Wand Length: 43.5cm / 17.1in. Package List: 1 x Pressure Washer Surface Cleaner2 x Extension Wand1 x Tape7 x Accessories 1 x Manual Note: 1. To avoid being clogged with sand or other debris, you can use a water inline filter. 2. If the nozzle is difficult to disassemble, heat it with a hot fan before disassembly.