Professional Strength Carpet, Rug, Upholstery Pet Odor Eliminator and Stain Remover for Dogs and Cats, 14-Ounce Once Clean + Green comes in contact with the problem source, it surrounds and eliminates the odor and stain-on contact. To get rid of old odors; it may just take several applications. As long as stain has not yet been "set" into the carpet or fabric dyes. Quick and Easy: Works on contact . Just spray-no need to soak, scrub or rinse. Made in the U.S.A. Exclusive patented encapsulation technology and advanced eliminator formula.