Reduces up to 75% of inanimate allergens that can become airborne from soft surfaces (Refers to inanimate allergens from pet dander and dust mite matter that can become airborne from soft surfaces). 100% natural propellant. With OdorClear Febreze odor elimination technology. No CFCs. CFC-free. Federal regulations prohibit the use of CFCs in aerosol products. Questions? 1-800-308-Easy (3279). www.Febreze.com. www.pg.com.