Model SB, 38" x 28", 10" x 25" Duct, Hot Dip Galvanized Steel, Horizontal, Sheet Metal Duct Return Air Support Box with 1" Flange
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Compact and Fully Assembled For Quick Installations
• Heavy Gauge Galvanized Construction with Interior Support Bracket For Maximum Strength
• Two Sizes Fit All of the Bottom Return Air Dimensions on the New Lower-Profile Furnaces
• the Installer Simply Cuts the Appropriate Sized Return Air Opening
• the Support Box Raises the Furnace For Easier Servicing""
• Sheet Metal Duct Return Air Support Box • Type Return Air • Size A 38 Inch Length x 28 Inch Width • Body Pattern Horizontal • Material ASTM A653 CS Type B G30 Hot Dip Galvanized Steel • Inclusions/Features 1 Inch Flange • Applicable Standard ASHRAE, HARDI, ADI, NHRAW • Duct Size 10 Inch x 25 Inch
