EXCELLENT CUSTOMER SERVICE: Professional customer service team, respond within 24 hours. If you have any questions or concerns about the spray nozzles for garden hose high pressure, please feel free to contact us and we will always be available to help you solve your problems.DURABLE AND LEAK-PROOF: The pressure nozzle for garden hose is made of carbide + high quality brass interface, rust-resistant and high-pressure-resistant, hard thickened switch and non-slip rubberized handle, long-lasting and leak-proof, durable and long-lasting.FREE EXTENSION: The garden hose pressure nozzle is adjustable from 18 inches to 33 inches, Power Washer Extension Wands adjustment without disassembly, easy to deal with high walls, windows or low corners, cleaning without dead endsMULTI-FUNCTIONAL NOZZLES: The water hose nozzle high pressure is equipped with 5 switchable nozzles, 0 high-pressure water jet is suitable for cleaning moss in the floor cracks, 15 can be used for car wash, 25 nozzle - ground cleaning, 40 - window cleaning, 60 - yard dusting, easy to deal with the whole scene.WORKING PRINCIPLE: The water hose sprayer nozzle high pressure works by accelerating the water flow through the narrow aperture nozzle to create a powerful impact. When paired with a water pump/pressure washer, the impact force can be up to 3 times that of an ordinary water hose, and stubborn dust and moss can be cleaned with a single stroke.