Features [Size & Compatibility] 46cm/18inch surface cleaner, giving a commercial grade cleaning area of 18 inches wide; compatible with pressure washers up to 4000 PSI, and the required minimum pressure is 2000 PSI. [Efficient Cleaning] With dual high pressure rotating jets and high-density bristles, can effectively remove stubborn stains, residual road dirt, sand, light mud, oil and fuel contaminants, grime, and leaves on ground quickly. [Wide Application] Suitable for cleaning large flat surfaces, like driveways, pavement, ceramic tile floor, patios, decks, stucco, cementfloor, and other flat surfaces, good for home use and commercial use. [Sturdy and Easy for Use] High-quality stainless steel housing, durable enough for long-time service; with 4 wheels for adding mobility, improving cleaning work efficiency, effort-saving and time-saving. [Quick Connection] With 1/4 inch quick connector, easy to connect with included extension wands or other 1/4 inch quick connect fitting, and the angle is adjustable; copper connector design, no leakage. Specifications: Color: Silver Material: Stainless steel Product Diameter: 46cm/18inches Package List: 1 * Surface Washer 2 * Extension Wand 2 * Connector 4 * O-Rings 1 * Teflon Tape 1 * Needle