Charcoal Filter Replacement for 500 CFM Under Cabinet and Glass Kitchen Range Hood (2-pack)

Carbon filters/charcoal filters with 2-pieces set is designed for ductless installation. They are attached to the range hood blower to clean the air before recirculating back into the house. Duct work to the outside isn't necessary. Carbon filters/charcoal filters are the solution for kitchens that don't have an exhausting duct option.