Miles Kimball Furnace Vent Extender

Miles Kimball Furnace Vent Extender Feature o Expands from 20″ – 36″o 11″W x 1″Ho Unbreakable plastic DescriptionTired of spending good money heating the underside of your furniture and drapes? This heating vent extender moves the valuable warm air out where it can do some good. Furnace vent extender is durable plastic, expands from 20″ to 36″. Measures 11″W x 1″H.