Simple Green Pro Odor Control neutralizes odors using advanced natural enzymes and microorganisms. The long lasting, concentrated formula works on wet or dry surfaces, indoors and out. Use anywhere organic odors form. Neutralizes foul smells in public restrooms, fleet vehicles, dumpsters, farms, gyms, locker rooms, animal quarters, motels, schools, and more. Eliminates odors caused by decayed vegetation, food, garbage, greywater, animals, manure, mold, mildew, skunk, sweat, urine, vomit, and other stubborn smells. Keeps areas smelling fresh.