Our Thru-the-Wall Series is designed for home and light commercial application. This unit includes a trim kit which allows the units to fit many existing 26" wide wall sleeves. Their solid steel construction, corrosion-resistant paint, and attractive styling will provide years of durable service. Wall Sleeve #EA448F is required for new installations (not included). Includes electronic controls with full featured remote and auto restart. Energy saver function, auto restart, 24-hour on/off timer, auto and sleep modes. Easy to remove, front-mounted, slide-out filter is a breeze to clean. Filter is designed to trap dust and other foreign particles, keeping indoor air cleaner. A check filter light on the control pad will signal when filter maintenance is required. Unit fits standard wall sleeves 26" or wider. The 4-way air directional louvers allows users to direct the airflow up or down and left or right throughout the room as needed. Durable Cabinet is painted for protection from corrosion.