Air Conditioner Side Insulating Panels

AIR CONDITIONER SIDE INSULATING PANELS let you keep your big, heavy window unit in place all year long! Sponge-foam insulation installs easily over existing side panels of air conditioner unit. Keeps cold air out in winter, hot air and bugs out in summer. Also reduces air conditioner noise and aids efficiency. Set of two 18" x 8-3/4" panels, each with self-stick side rails.