Ace Foam-N-Clean (FNC) Super high foaming, deodorized, biodegradable, Super high foaming, deodorized, biodegradable, alkaline coil cleaner recommended for cleaning and brightening aluminum finned cooling and heating coils. The strong foaming action penetrates beneath contamination and pushes dirt and grease from the coil to the outer surface. USDA authorized for use in federally inspected plants. Dilution rate of 1 part product to 3 or 4 parts water. For Professional/Industrial Use Only.