This O2 Active Air Refill is an intensely scented pure fragrance that is continuously dispensed through the O2 Active Air system, creating a permanently fresh environment. Lasting 60 days, the refill uses a proprietary odor-neutralizing agent to eliminate - not mask - any bad odors. Refill is compliant with California Air Resources Board (CARB), International Fragrance Association (IFRA), REACH and European regulations. Refill contains no added VOCs or solvents and can be recycled after use.