Your washing machine must be guaranteed Working Pressure: 1500 PSI to 4000 PSI. 2500 PSI or higher will have better cleaning.
Including 16 inch 2 functions-in-1 Pressure Washer Undercarriage Cleaner, 1-piece 15 inch 90 degree angled wand and 2-pieces 16 inch pressure washer extension wand. All parts have 1/4" Quick Connect.5 Various nozzle models can be adapted to different use scenarios.
How to Switch Mode: Pull out the nut of the pivoting coupler at the end of cleaner. Then rotate the pivoting coupler to the end. Finally the nut will lock automatically.
Undercarriage Cleaner Mode: Easy to clean and avoid crawling under the vehicle. Undercarriage washer is to clean road dirt, oil and fuel contamination under trucks, SUVs, cars, commercial vehicles and trailers. It works as under carriage power washer.
Water Broom Mode: Pressure washer surface cleaner attachment is used for quick, easy and even cleaning of surfaces. Power washer surface cleaner is ideal for removing loose debris (sand, leaves, light soil) from sidewalks, driveways, decks, etc.