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. The invigorating, lively & zesty orange peel fragrance features notes of grapefruit, green lemon, hints of cut stems, & light floral rose. 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.