Keep your cool with this convenient KoolKing(TM) through-the-wall air conditioner. Designed to fit all existing wall openings, this window air conditioner offers three cool settings and three fan settings for custom comfort. This model is equipped with a 24-hour on-off timer and comes with a remote so you’re always in control! With the ability to comfortably cool rooms up to 450 sq. ft. in size, this electronic air conditioner is an eco-friendly option when the weather heats up. The slide-out washable air filter makes clean up a breeze.