Starting Collars

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  #500H Metal Starting Collar With Holes

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  #500D Metal Starting Collar With Damper

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  #500Dbh Metal Ductboard Starting Collar With Holes

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  #500Dbd Metal Ductboard Starting Collar With Damper

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  #501 Metal Tabbed Ductboard Starting Collar With Holes

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  #501S Metal Tabbed Ductboard Starting Collar With Holes & Sealed Inside Flange

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  #502 Metal Snap Together Starting Collar With Holes

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  #503At Metal Air Tite Starting Collar With Holes

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  #503Atd Metal Air Tite Starting Collar With Damper

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  #503Satto Metal Air Tite 90° Saddle Take Off

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  #503Sattod Metal Air Tite 90° Saddle Take Off With Damper

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  #503 Series Add-On Scoop

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  #507 Ductboard Collar With Holes

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  #507D Metal Starting Collar With Damper For 1" Or 1½" Ductboard

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  #508 Metal Starting Collar With Holes For 1" Or 1½" Ductboard

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  #508S Metal Starting Collar With Holes & Sealed Inside Flange For 1" Or 1½" Ductboard

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  #510 Rectangle-To-Round 45° Side Take Off

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  #510D Rectangle-To-Round 45° Side Take Off With Damper