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Keystone 26 In. Wall Sleeve for Through-the-Wall Air Conditioners

26-inch wall sleeve to be used with through-the-wall air conditioners
Install wall sleeve in pre-cast concrete or masonary walls up to 17.75 inches thick.
Wall sleeve to be securely fastened to wall opening before installing air conditioner
All metal construction withstands inclement weather, corrosion and other elements
Compatible with any through-the-wall unit up to 26 inches wide

Special Feature Through-The-Wall Air Conditioners
Product Dimensions 16.71"D x 25.88"W x 15.53"H
Model Name 26 In. Wall Sleeve for Through-the-Wall Air Conditioners
Item Weight 28 Pounds