Hardin 5" Variable Speed Dual Action Orbital Polisher & F5 Car Cleaning Gun - HVSORBF5 HARDIN Variable Speed Random Orbital Polisher With Buffing Pad HARDIN F5 Car Cleaning Gun's oscillating tip creates a pulse cyclonic spraying action to clean and blast cleaning solution into crevices you cant reach by hand Clean carpet, plastics, upholstery, wheels, convertible tops, and body seams on the exterior Use with an air compressor capable of producing a constant air pressure of at least 60 psi but do not to exceed 110 psi Best results are achieved at 5 CFM or more at 90 psi