Widely used in various garbage cans and compost bins; simply attach under the lid of your trash can, even if there is no built-in filter compartment. Absorbs and neutralizes unpleasant trash odors, helping to keep your kitchen fresh and clean. The included adhesive buckle allows secure attachment to the lid of any trash or compost can, with or without a deodorizer compartment. Made from natural coconut shell activated carbon—environmentally friendly and highly effective. Size: 5 x 3 inches, suitable for trash cans over 8 gallons. 12-pack – each filter provides up to 2 months of odor-absorbing performance. This package includes only the replacement filters. Color: Black Material: Activated carbon filter cotton Package Contents: 12 x Replacement Filter Pads for Trash Can Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error allowance: +/- 1-3 cm.