Enzyme action tackles the deep down nastiness at the root of pet funk. Cleaning and deodorizing agents start working immediately to get rid of surface stains and odors. Use this Bissell Ewww Stain & Odor Remover to clean up after your pet's mess. The advanced enzyme formula is designed to permanently remove stains and odors. The cleaner works on both old and new stains and discourages your pet from re-soiling the same spot. Exclusively at Petsmart.