Compatibility: Odor absorbing filter refills compatible with Eco 5 FoodCycler Electric Composter /for Airthereal Smart Kitchen Waste Composters/for Vitamix FC-50-SP Smart Waste Composter and other Food Waste Disposer & Electric Kitchen Composter to ensure optimal use and allow to keep your kitchen fresh Effective Deodorization: Activated carbon is a kind of efficient adsorption material with many small holes inside; making your activated carbon adsorption filter compatible with FoodCycler kitchen waste composters continuously release fresh air and leave your kitchen clean all day High Quality Materials: Activated carbon adsorption filters are made of natural activated carbon; this activated carbon alternative can effectively absorb and neutralize unpleasant garbage odors from food scraps, yard waste, etc., and purify the air naturally and effectively 4 Bags for 6-Month: Each bag of activated carbon provides deodorizing power for up to 3 months or more, and you need to use two bags for each replacement; one for the top filter and the other for the back filter; so, 4 pack compost bin filters replacement for 6 months supply Multifunctional: Not only for kitchen waste machines, you can also use activated charcoal correctly for other things; For example: place in the refrigerator to absorb odors; put it in a vase to keep flowers fresh for a long time; used and discarded bamboo charcoal can be buried in the garden to change the quality of the soil Odor absorbing filter refills compatible with Eco 5 FoodCycler Electric Composter /for Airthereal Smart Kitchen Waste Composters/for Vitamix FC-50-SP Smart Waste Composter and other Food Waste Disposer & Electric Kitchen Composter to ensure optimal use and allow to keep your kitchen fresh