2 in 1 Pressure Undercarriage WasherPower Washing Like a Pro! This versatile attachment works as both a sump cleaner and a pressure washer water broom, 5X higher efficiency, load 4000PSI Max. Delivering faster, more efficient car cleaning, avoid crawling under vehicles. Ideal for high pressure cleaning for cars, trucks, and driveways and yard floor. Used for home or professional use! Easy mode switching Switch between undercarriage cleaning and water broom mode in seconds with the pivot