Heavy duty cleaning foam uses an aggressive alkaline detergent to quickly and easily liquefy dirt, grease, oil and residue. A nonflammable and water-based formula is safe to use. Cleaning foam is fortified with corrosion inhibitors to prevent metal degradation and protect surroundings. 360 valve allows spraying in any position and easily reaches into tight spaces for convenient cleaning. Contains no chlorinated solvents. Clinging foam is completely self-rinsing on condensate producing coils. Includes 12 each per case.