1. Slim 5mm Profile: The radiator cleaning lance with pressure nozzle features a flat, elongated design, making it particularly suitable for cleaning tight spaces. Thanks to its secure attachment to the pressure washer, you can easily access areas under your car and reach every nook and cranny that might otherwise be overlooked. It is effective for maintaining your vehicle's water tank. 2. Dual Water/Air Cleaning Modes: The unique 25° fan nozzle design ensures even water cleaning. Tests have shown that the radiator cleaning lance with a fanshaped nozzle and porous opening delivers stronger water pressure and a larger cleaning area at the same water pressure. It is also compatible with air compressors in dry cleaning mode. 3. MultiPurpose Quick Coupler: The quick coupler rotates 180 degrees, solving the issue of low pressure caused by inflexibility. It can withstand up to 4500 PSI. The radiator pressure cleaning lance comes with a 1/4inch copper quick adapter. 4. Quality Materials: This 39inch automotive radiator cleaning lance is made of thickened, quality 304 stainless steel. It is durable, ensuring your portable radiator cleaning tool looks like even after multiple uses, with no worries about rust.