Keystone 26 In. Metal Wall Sleeve for Wall Mounted AC Unit Installation, Compatible with Wall Units up to 26-Inches Wide, Protects and Secures Wall Air Conditioners from Bugs, Dust, and Debris

With the reliable Keystone 26-inch wall sleeve, you can have peace of mind knowing that your through-the-wall air conditioning unit is working at its best to provide you with consistent cooling, even on scorching hot days. This sleeve is conveniently compatible with all 26-inch wide wall units, making it a versatile choice for your home. Installation is a breeze, as the sleeve can be securely fastened to pre-cast concrete or masonry walls up to 17.75 inches thick. Made with sturdy all-metal construction, it can bear the weight of the wall mounted ac unit and withstand various weather conditions, corrosion, and other elements. Not only does the wall sleeve help insulate the ac wall unit, ensuring efficient operation, but it also acts as a barrier against dust, bugs, and other debris. This safeguard prevents potential damage to the mechanical components, providing added durability and longevity to your cooling system. At Keystone, we prioritize customer satisfaction and support. That's why we provide a 1-year warranty to give you peace of mind and keep you cool and comfortable, all while being mindful of your budget. We are continuously improving and innovating to enhance your home environment. Keystone - where comfort meets affordability.