Master Flow® Rectangular Stack Duct Starting Collar Specs

      Master Flow® Rectangular Stack Duct Starting Collar Docs

      Master Flow® Rectangular Stack Duct Starting Collar Installation & Assembly Videos

      Easy Installation icon

      Easy Installation

      Install with sheet metal screws
      Strong icon

      Strong

      Made of galvanized steel
      Versatile icon

      Versatile

      Use to transition from a flat surface to stack duct
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