This filter is designed to keep your kitchen compost bin and cat litter box free from unpleasant odors. Made from activated charcoal, this charcoal filter effectively absorbs smells, ensuring a fresh environment. The filter is easy to install and fits in many compost bins and litter boxes. Features -Color:Black -Material: cotton -Size:11.50X10.50X0.50cm/4.52X4.13X0.20in -High efficiency filter: the filter effectively absorbs and captures food odors in compost bins, keeping the fresh -Odors elimination for cat litter boxes: is specially designed for cat litter boxes, quickly removes unpleasant odors, providing a clean environment for your pets -Filtration: filter features excellent breathability, high carbon content, and of filtration and adsorption for optimal performance -Improves environment: activated charcoal filter helps improve comfort by regulating compost emissions, ensuring a cleaner home environment -Usage tip: do not leave the charcoal in the trash can for too long, as they may grow and rot over time Package list: 8 x