THE BIGGEST AND BEST FOAM: This professional grade foam cannon turns cleaning concentrate into thick snow foam lather, providing total, even coverage of your car, home, or outdoor surface PROFESSIONAL DETAIL: Used by the pros, this foam cannon attachment is step one in a perfect auto detailing SOAP GOES IN, FOAM COMES OUT: Simply fill soap tank reservoir with preferred cleaning concentrate and watch as powerful, even foam is shot out of cannon gun (rated up to 3600 PSI) UNIVERSALLY COMPATIBLE: This foam cannon attachment has a 1/4” female quick connect for use with most pressure washers; Simply swap nozzles and start cleaning EASY TO USE: Save time and effort - easily adjust suds and spray concentration for maximum cleaning power