Enhance your air conditioning experience with the Frigidaire Universal Side Panels for a Window Mount Air Conditioner. These white plastic panels are designed to fit through-the-wall and window ACs of various sizes with a cut-to-fit design that ranges from 7 inches to 21 inches in length. The panels also come with a universal smart home compatibility feature, making them a convenient choice for anyone seeking an energy-efficient accessory. These side panels, compatible with the Frigidaire 18FFRACP01 model, offer a cooling method of air and have an Energy Star rating of A+. The BTU cooling rating is not available, but the panels offer a range of A++ to E in the EC range. The panels provide a secure mounting location for your AC and expand up to 7 inches to 21 inches in width. Purchase the Frigidaire Universal Side Panels, and transform your AC setup. The Box Did Get Open One Time Only But All Contents That’s Included In The Box Are All There And Are Brand New Never Used