Friedrich Uni-Fit in wall air conditioner makes it easy to replace air conditioners for existing 24.5", 26" or 27 ½" sleeves without complicated, time-consuming retrofits. This small unit is specifically designed to replace virtually any through-the-wall air conditioner quickly and cost-effectively. Depending on the existing sleeve's size, Uni-Fit's smaller dimensions may require the use of the included trim ring to bridge a small gap between the unit and the existing sleeve. The trim ring will fit gaps up to 1" on the sides and ½" on the top of the unit for a neat, finished appearance. All models include a remote control.