Offers 60 days of odor control in an environmentally responsible way. Operates without the use of batteries or any other artificial means of power. Easy to use pop & go refill and simple flip front cover designed for quick servicing. Curable casing and optional lock discourage vandalism. Compact size provides sleek and discreet design that fits any décor. Provides 60 days of odor control and air enhancement when used with F-Matic One passive air system refills.