Why Choose Nature's Air Sponge Odor Absorber? Nature's Air Sponge is a technological breakthrough in the world of odor elimination and air quality enhancement. It will eliminate virtually all odors and pollutants from the air in your home, office or car. Conventional air fresheners are really pollutants in themselves. They simply mask odors by introducing perfume into the air. Air Sponge actually absorbs and eliminates offensive odors and microscopic pollutants suspended in the air.