ARM HAMMER Fridge Fresh Baking Soda Deodorizer uses the power of pure baking soda to provide maximum odour elimination throughout your refrigerator and freezer to help keep food tasting fresher for longer. This deodorizer uses an air filter to eliminate odours in the freezer, refrigerator or crisper and has an easy-to-apply suction cup that sticks to most refrigerators and freezers. The flow-through vented design provides maximum odour control to provide up to 30 days of freshness. A convenient replacement sticker reminds you when it's time to change your ARM HAMMER Fridge Fresh Baking Soda Deodorizer. The deodorizer contains natural baking soda that absorbs and deodorizes food odour through the air filter to keep your food tasting fresh. Put ARM HAMMER to work all around your home! With its natural, pure and gentle cleaning power, there isn't a place in your home where dirt and odours are safe. For over 170 years, ARM HAMMER products have provided a safe and effective way to help keep things smelling fresh and clean. An odour-free home starts with ARM HAMMER.Flow-through vented design for max odour control. For best results, replace every 30 days. From the Number 1 baking soda brand. Super-grip suction cup adheres anywhere in fridge or freezer. ARM HAMMER Fridge Fresh Baking Soda Deodorizer eliminates odours so foods taste fresher longer.