Baking soda: clever homemakers have been using it to complete varied household chores for decades. This non-polluting, thus environmentally-friendly ally helps dough rise and whiten teeth alike. But, thanks to the Fridge Fresh Air Filter, Arm & Hammer capitalizes on the trusted formula’s odour-eliminating properties. Thanks to its suction cup, we first stick the filter to one of the walls of our refrigerator or freezer. Then, it isn’t long before we can observe smell this nifty solution in action. The cross-contamination of odours between cauliflower stew and strawberry shortcake (true story) is now a thing of the past!

Between $2.99 and $3.49 at grocery stores and department stores.