The SIMPSON Professional Pressure Washer High Pressure Foam Cannon 80271 is the perfect addition to your toolbox to easily clean like the pros. The foam cannon is compatible with most cold-water gas or electric pressure washers between 1600 PSI and up to 4000 PSI. Adjust the knob on top for your desired level of foam to clean applications such as your vehicle, siding, boats, RVs, UTVs and more. The extra thick foam will cling to the application, allowing the cleaning solution to loosen hard to remove dirt and grime. | Simpson Pressure Washer Foam Cannon