<Insert jacket type>. Ducts and Plenums, Exposed, Larger Than 48 Inches (1200 mm) in Diameter or with Flat Surfaces Larger Than 72 Inches (1800 mm): [Painted ]Aluminum, [Smooth] [Stucco Embossed] with [1-1/4 Inch (32 mm) Deep Corrugations] [2-1/2 Inch (65 mm) Deep Corrugations] [4 by 1 Inch (100 by 25 mm) [0.032 [0.040 thick. Box Ribs]: inch (0.81 mm)] inch (1.0 mm)] Stainless Steel, [Type [or] [Type [Smooth] [Stucco with 304] 316], Embossed], [1-1/4 [2-1/2 Inch (32 mm) Deep Corrugations] Inch (65 mm) Deep Corrugations] [4 by 1 Inch (100 by 25 mm) Box Ribs]: [0.020 inch (0.51 mm)] [0.024 inch thick. (0.61 mm)] Self-Adhesive Outdoor Jacket. <Insert jacket type>. END OF SECTION 230713
<Insert jacket type>. Ducts and Plenums, Exposed, Larger Than 48 Inches (1200 mm) in Diameter or with Flat Surfaces Larger Than 72 Inches (1800 mm): [Painted ]Aluminum, [Smooth] [Stucco Embossed] with [1-1/4 Inch (32 mm) Deep Corrugations] [2-1/2 Inch (65 mm) Deep Corrugations] [4 by 1 Inch (100 by 25 mm) Box Ribs]: [0.032 inch (0.81 mm)] [0.040 inch (1.0 mm)] thick. Stainless Steel, [Type 304] [or] [Type 316], [Smooth] [Stucco Embossed], with [1-1/4 Inch (32 mm) Deep Corrugations] [2-1/2 Inch (65 mm) Deep Corrugations] [4 by 1 Inch (100 by 25 mm) Box Ribs]: [0.020 inch (0.51 mm)] [0.024 inch (0.61 mm)] thick. Self-Adhesive Outdoor Jacket. <Insert jacket type>. END OF SECTION 230713