Note: Make sure your working pressure washer is over 1500 PSI. Pressure range: 1500 PSI to 4000 PSI. 2500 PSI or more will have the best results. 13 inch Undercarriage Cleaner for Hot and Cold Water Power Washer with 4 Nozzles and 2 Casters. Easy to clean and avoid crawling under the vehicle. Clean road grime, oil and fuel contaminants from under cars, trucks, SUVs, commercial vehicles and trailers. 1/4" male plug for quick disconnect. Easy to connect and release. Attach the under car washer to the pressure washer bar. For easier handling of the wand, it can be connected to a pivot coupler, which is then connected to the wand. HIGH QUALITY: The pressure washer undercarriage cleaner is designed to withstand frequent use, ensuring long-term durability and reliability. Attention: Make sure your working pressure washer is above 1500 psi. MINGLE pressure washer cleaner will make your washing more efficient. Features: Size: 33cm. Nozzle: 4pcs, orifice 1.5 @ 40 degree You can buy replacement nozzles in our AMZ tool store. Rollers: 2pcs. 1/4" male plug for quick disconnect. Pressure range: 1500 PSI to 4000 PSI. 2500 PSI or more for best result. Material: Aluminum, brass, hard composite rollers, stainless steel nozzles. Maximum temperature: 60C. Application: Easy to clean and avoid crawling under a vehicle. Cleans road grime, oil and fuel contaminants from under cars, trucks, SUVs, commercial vehicles and trailers. 1/4" male plug for quick disconnect. Easy to connect and demold. Connect under car cleaner to pressure washer wand. In order to handle the wand easily, you can connect under car cleaner to the swivel coupler, then connect the swivel coupler to the wand.