It can be used repeatedly, last long more than 10 years. Just simply put the refrigerator smell eliminator in there, wait 15 minutes, and you'll be on your way to a fresher-smelling refrigerator by the powerful Mode. Choose the appropriate mode according to the size and odor of the refrigerator, the effect will be better in the sealed space. Say goodbye to smelly, old refrigerators and hello to the fridge fresheners by O3 Tech. This small, sleek appliance with a special built-in filter that releases O3 over time to inhibit harmful molecule growth and inhibit ripening agents such as ethylene on the surface of fruit and vegetables during use, making them fresher. It is the best fridge odour eliminator.ets O3 fridge deodoriser is the best and safest way to remove foul smells from your fridge. A better solution than bamboo charcoal, Baking Soda, and seaweed gel with the feature reusable, our odor eliminator is not only natural but also more cost-effective than charcoal to help save your money.