Bad Air Sponge® absorbs odors on contact! Patented formula doesn’t just mask unpleasant fumes and odors, it actually neutralizes them! Place it in the kitchen, bathroom or musty basement to clean the air. It controls cooking odors, pet and cigarette smells, even paint fumes. Gets rid of odors trapped in fabrics and carpets, too. Non-toxic, non-flammable gel leaves no perfume scent behind. Tub lasts about 6 months.