Model 71, 25" x 10" Duct, 23" x 15" Opening, Hot Dip Galvanized Steel, Sheet Metal Duct Return Cold Air Drop, Accepts 1", 4" or 5" 20 x 25 Media Filters
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• Sheet Metal Duct Return Cold Air Drop • Type Cold Air Drop • Duct Size 25 Inch x 10 Inch • 23" x 15" Opening • Accepts 1", 4" or 5" 20 x 25 Media Filters • Includes: (1) Starting Elbow with Filter Frame, (2) 32" Duct Sections, (1) Starting Collar, Slip and Drives • Applicable Standard ASHRAE, HARDI, ADI, NHRAW • Material ASTM A653 CS Type B Hot Dip Galvanized Steel
