All American Car Care Products Heavy Duty Interior Cleaner Concentrate (1 Gallon) Heavy Duty Interior Cleaner Concentrate Is a Professional Heavy Duty Cleaner for Auto/Boat/RV An Environmentally Friendly Water-Based All Purpose Cleaner. Specially formulated to easily lift dirt from Upholstery, Loose any grease, Road Contaminant, Brake Dust from Wheels, Rims, Engine Walls, Motors, Carpets,Wood Floors, Tile, Vinyl, ETC..... All Janitorial cleaning Needs. Detailier's Choice for heavy Duty Work. Features: Bio-Degradable 30-1 Concentrate DIRECTIONS: Diluite 30-1 for Light or 15-1 for Heavy Duty. Apply by spray or wiping on and wipe dry. 30-1 Concentrate for Interior Cleaning 20-1 Concentrate for Exterior Cleaning