[Fresh Air] Our activated carbon filter is designed to eliminate odors in your compost bin and provide you with fresh, clean indoor air. Say goodbye to odors and hello to a clean, fresh kitchen! [Universal Compatibility] Our round compost filter has a diameter of 17cm (6.7") and a thickness of 5.5mm (0.2"), making it compatible with most standard compost bins with dome lids. This makes it an ideal replacement for your kitchen compost bin. [Durable] Our filters are made of high-quality activated carbon material, making them tear-resistant and safe to use. A pack of 6 filters is sufficient for long-term use and replacement. [Durable] Our round activated carbon filter provides comprehensive, long-lasting filtration protection. The dense layer of activated carbon has a particle size of 20 microns and a lifespan of up to 4 months. [Easy Installation] The round compost filter is easy to use. The kitchen compost bin filter installs into your kitchen compost bin. Simply open the lid of the compost pile and place the filter into the hole. Show more