Purple Power Industrial Strength Cleaner/Degreaser works great on a wide variety of surfaces in auto, farm, marine, home and industrial applications. The concentrated formula penetrates quickly and then creates a barrier between the stain and the surface being cleaned. Purple Power Industrial Strength Cleaner/Degreaser wipes away the toughest stains in just seconds. Biodegradable. Non-abrasive, non-flammable and phosphate-free.