Polymer Insulated Wall Sleeve - 42" x 16" x 14.5"

Premium polymer insulated wall sleeve is designed to withstand the toughest climate conditions, made from non-corrosive fiberglass-reinforced polyester compound. This wall sleeve is designed to fit an industry standard 42-inch wide and 16-inch high wall opening. The polymer sleeve contains factory installed insulation to minimize heat loss and prevent sleeve sweating while reducing outdoor noise transmission into the room. It is made of molded thermoset composites which provide long-term strength and durability. This material is corrosion resistance and has a flammability rating of UL94-5V, making it an excellent choice for any application. All exterior surfaces are lightly textured to prevent shine and hide scratches. The sleeves color is Alpine Mist (a shade of Beige) which closely matches the PTAC front panel and blends well with all inside or outside decor.　
Dimension 42-in x 16-in x 14.5-in　 (WxHxD)