Bissell Pawsitively Clean Ewww Enzyme-Powered Pet Stain & Odor Remover Refill (64 fl. oz.) Cleaning and deodorizing agents start working immediately to get rid of surface stains and odors Enzyme action tackles the deep down nastiness at the root of pet funk Safe and non-toxic Ideal for upholstery, litter boxes, pet beds and almost any water-safe surface