Rotobrush® International LLC has developed RotoFresh®. RotoFresh is an odor neutralizer that is designed for use in the air duct system. The gel is packaged in a tub that can placed in the return air ducts or near the source of the odor, and combats foul odors caused by mold, mildew, smoke, sewers, and toxic chemicals and other odors that can develop over time. The company claims the gel removes all odors in the air within 12 hours and can last up to six months before needing to be replaced. Officials also said the product is idea for businesses and can also be used in hospitals, nursing homes, schools, and more.

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