POR15 Cleaner Degreaser cleans & degreases in one application without leaving residue, noxious fumes or flammable solvents. No other cleaner works as fast or as well. It makes petroleum-based cleaners almost obsolete because it can be diluted with water to 3, 4, 5 or even 10 times its volume while remaining even more potent than other cleaners. POR15 Cleaner Degreaser removes grease, oil, mildew, algae, musty odors, soap films & wax. Use it to clean canvas, vinyl, nylon, holding tanks, grease traps, auto parts & more. See for yourself the difference that POR15 Cleaner Degreaser can make at home, work or play. Before applying ANY rust preventive paint or coating, you MUST remove any oily film or residue. Even if you're fairly sure that your work piece is clean, hit it with POR15 Cleaner Degreaser to be absolutely certain of good adhesion. Applications: Engines Transmissions Grease Traps Frames Suspension Components Holding & Water Tanks Galleys Rubber, Nylon, Vinyl Floor Pans Water Line Scum Fuel Tanks Clothing Removes Rust Stains from Porcelain Sinks, Toilets & Tubs