Not a Replacement Odor Filter. It adheres to step pedal and open top trash cans that do not already feature an odor filter compartment. Keep every room in your home smelling fresh and clean with this easy-to-use stick on odor removal kit. The compartment features an adhesive backing so you can stick it on trash cans, diaper pails, or wherever you need odor control. AbsorbX Odor Filters utilize all-natural, non-toxic Activated Carbon Technology to absorb and neutralize odors and Volatile Organic Compounds Place one wherever odor control is required: Drawers, Lockers, Closets, Bathrooms, Kids Rooms, Cars, Pantries, Cupboards, Refrigerators, Shoe Organizers, Garbage Cans, Diaper Pails, and more Non-toxic, all-natural activated carbon. Used AbsorbX filters can be composted. Each AbsorbX Odor Filter provides up to 3 months of odor-absorption Compact and lightweight design. Adhesive back adheres to metal, plastic, glass, wood, or ceramic. Includes: Two (2) Odor Filter Compartments and Two (2) AbsorbX Odor Filters