With Voom RV one cleaner is all you ever need. Safe for both exterior and interior surfaces used at full strength or diluted with water. Exterior uses: Rubber Roofs, Black Streaks, Painted surfaces, Aluminum, Bug Stains, Awnings, Rubber, Screens, Chrome, Wheels, Tar and more! Interior uses: Appliances, Counter tops, Carpet, Upholstery, Pet Stains, Spot cleaning, Grease, Tubs, Toilets, Fiberglass, Hard water Stains, Mold and Mildew. Safe for all surfaces not harmed by water.