- Odor Control: Our round and square compost bin filters effectively absorb odors from your composting bins, ensuring your kitchen stays fresh and clean. The combination of both shapes enhances odor removal for optimal results. - Simple Installation: Replacing filters is a breeze. Just insert the filters into the compost bin lid. The square filters fit perfectly in round lids, thanks to the rim that holds them securely in place. - Premium Material: Made from activated charcoal, our replacement filters provide superior odor absorption. Please avoid rinsing the filters to maintain their effectiveness. 6.69 inches on each side, while the round filters have a diameter of 6.69 inches. These filters are compatible with most stainless steel compost pails and can be easily cut to fit any size or shape as needed. - Practical Applications: Ideal for home kitchens, restaurants, or any space where composting is practiced. Use them in your compost bin to reduce unpleasant smells, making it easier to compost food scraps without disrupting your living environment. - Enhanced Performance: The combination of shapes allows for versatile use, ensuring you have the right fit for your compost bin. Enjoy the benefits of composting without the hassle of unwanted odors.