Forza Clean is an extremely versatile all-purpose cleaner that can tackle the most stubborn grime an auto can accumulate. We have formulated Forza Clean so that it can be safely applied to both the exterior and interior of your automobile, including carpet! Forza creates a powerful sudzing action that is strong enough to challenge the toughest jobs on paintwork, trim, engines, wheels, tires, and interior plastics. Forza Clean is biodegradable, non-flammable, and can soften and remove impenetrable tar and grease. Forza Clean is meant to be diluted 1:9 for exterior use. For interior cleaning, you may dilute Forza Clean 1:18. 16 oz.