T-Cell air freshener refill is part of an odor-control system that dispenses a consistent level of fragrance & Microtrans odor neutralizer. Through a Rubbermaid T-Cell dispenser, the fresh fragrance & odor neutralizer are distributed throughout the room. Fragrance radiates the scents of refreshing cucumber & watermelon with hints of crushed stems, rose leaf & strawberry leaf. Refill lasts approximately 60 days on the standard setting for a washroom with three to four stalls / fixtures. It can last for approximately 90 days in a small washroom with one to two stalls / fixtures. Refill contains no propellants or added VOCs.