Arm & Hammer 16oz Fridge N Freezer Baking Soda Odor Absorber; This product utilizes the odor-absorbing powder of baking soda to completely eliminate unpleasant smells. Environmentally conscious and easy to use, simply open the package, place it in your unit, and let it go to work! For best results, replace with a new package every 2 months. This product is virtually non-toxic and safe for use around children and pets. Be sure to store in a cool, dry place, away from incompatible substances, like acids, to avoid unwanted chemical reactions.