Charcoal Filters Are Available For Use With Range Hoods That Re-Circulate Filtered Air Back Into The Kitchen. These Filters Are Designed To Absorb Odors As Well As Filter Out Contaminants. For Use With The Following Range Hoods: (Ul)(Li)Is170 Series(/Li)(Li)K7388 Series(/Li)(Li)K7788 Series(/Li)(Li)K8087 Series(/Li)(/Ul)