Widely used in all kinds of garbage cans, compost bins; Just stick under the lid of your trash cans, even no Built-in Filter Compartment. Absorbs and neutralizes smelly trash odors- Keeps your kitchen smelling fresh and clean Each product is individually sealed and will not be exposed to air to weaken the adsorption capacity The included adhesive Buckle allows the filter to be attached to the lid of any trash or compost can, even without a deodorizer compartment Made of Natural Coconut Shell Activated Carbon- environment-friendly and highly efficient 12 Pack - Each filter provides up to 2 months of odor-absorbing power. Big enough- Diameter 5.5 inches, enough for big trash can above 8 gallons Only the filters. The trash can is sold separately Color: Black Material: Activated carbon filter cotton Package Contents: 12 x Replacement of Filter Wool for Trash Can Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.