1Cat litter filter: Make your litter box smell like new smell again, and solve the problem of bad smell in trash can. Remove odors, keep fresh and clean smells, and keep your pet healthy. 2Strong adsorption function: Made of activated carbon. The high-quality powdered catalytic activated carbon is attached to the foaming carrier using a polymer bonding material. High carbon content and good adsorption performance. 3Safety material: Activated carbon is non-toxic, natural, and can absorb and filter odors for a long time. It is disposable, so please do not rinse. 4Easy to install: Put it into the vent of the trash bin, the filter has a strong absorption effect, keep the trash can fresh and emit a fresh smell. 5Can be cut, suitable for most litter boxes.