Brand New Stainless steel flushing Quick Connect (QC) pressure washer spray nozzle with 25 deg. spray & 3.0 mm orifice. Green color-coded. The spray nozzle is designed for a 1/4 in. (6.35 mm) QC coupler & is ideal for quick exchange of spray nozzles & spray guns. It connects to all of the most common pressure washer equipment in the industry. The flushing spray nozzle is best suited for flushing dirt, mud & grime. Ideal for sweeping leaves from walks, curbs & driveways, cleaning stable floors, washing swimming pool bottoms, cleaning barbecue grills, etc. Pressure washer nozzle for general cleaning Removes light mildew stains Removes algae & bacteria build-up from pools