Arm & Hammer Fridge Fresh Refrigerator Air Filter Easier to maneuver and store, Arm & Hammer Fridge Fresh allows for up-front storage, creating 2x more odor-eliminating availability.Baking soda is usually kept in the back of the refrigerator where it cannot be spilt.Arm & hammer Fridge Fresh is able to hang and cling to doors, walls, and just about anywhere you want it.Comes with a convenient replacement indicator so you never have to question when to change it.