About this item Attention: Operating pressure: 1500 PSI to 4000 PSI. 2500 PSI or higher will have better cleanliness. How to change the mode: Pull out the nut of the swivel clutch at the end of the cleaner. Then turn the swivel clutch to the end. Finally, the mother locks automatically. Underfloor cleaner mode: easy to clean and avoid crawling under the vehicle. Underfloor washer is for cleaning road dirt, oil and fuel contaminants under trucks, SUVs, cars, commercial vehicles and trailers. It works like under the car. .
eBay