Stick It To Those Bad Refrigerator Odors With Fridge Fresh Refrigerator Air Filter. It Eliminates Odors To Help Foods Taste Fresher Longer And Exposes Twice The Baking Soda Vs. A 1 Lb. Box Of Baking Soda. Filter Absorbs And Deodorizes Food Odor. Flow-Through Vented Design Delivers Maximum Odor Control. Easy-To-Apply Suction Cup Sticks To Most Refrigerators. Use In The Freezer, Refrigerator And Freezer. For Best Results, Replace Every 30 Days.