Westinghouse 16″ Undercarriage & Surface Cleaner, 4400 PSI, 1/4″ Connector by | Jul 24, 2026Dual-Purpose Functionality : Works as both an undercarriage washer and a high-pressure water broom. Easily removes dirt, oil, salt, and fuel from the underside of cars, SUVs, RVs, trucks, trailers, and more.