The Frigidaire 5304464991 Air Conditioner Accordion Filler Panel Set Cut-To-Fit is a replacement side-panel kit designed to close gaps around compatible window air conditioners. This set includes expandable accordion-style panels that attach to each side of the air conditioner cabinet and can be trimmed to suit different window dimensions. It extends outward to fill the gaps between t... https://www.hnkparts.com/5304476524-frigidaire-repl-5304464991