| | | | #500H Metal Starting Collar w/Holes | | The #500H Metal Starting Collar w/Holes are available in 14 sizes from 4" through 24" diameters. | |  |
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| | | | | | #500D Metal Starting Collar w/Damper | | The #500D Metal Starting Collar w/Dampers are available in 14 sizes from 4" through 24" diameters. | | |
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| | | | #500DBH Metal Ductboard Starting Collar w/Holes | | The #500DBH Metal Ductboard Starting Collar w/Holes are available in 13 sizes from 4" through 22" diameters. | | |
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| | | | | | #500DBD Metal Ductboard Starting Collar w/Damper | | The #500DBD Metal Ductboard Starting Collar w/Damper are available in 12 sizes from 4" through 20" diameters. | | |
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| | | | #501 Metal Tabbed Ductboard Starting Collar w/Holes | | The #501 Metal Tabbed Ductboard Starting Collar w/Holes is available in 12 sizes from 4" through 20". | | |
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| | | | | | #501S Metal Tabbed Ductboard Starting Collar w/Holes & Sealed Inside Flange | | The #501S Ductboard Starting Collar w/Holes and Sealed Flange on inside are available in 12 sizes from 4" through 20". | | |
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| | | | #502 Metal Snap Together Starting Collar w/Holes | | The #502 Metal Snap Together Starting Collar w/Holes is available in 12 sizes from 4" through 20". | | |
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| | | | | | #503AT Metal Air Tite Starting Collar w/Holes | | The #503AT Metal Air Tite Starting Collar with Holes is available in 12 sizes from 4" through 20". Air Tite series starting collars have a gasketed flange to ensure the best possible sealing at the joint. | | |
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| | | | #503ATD Metal Air Tite Starting Collar w/Damper | | The #503ATD Metal Air Tite Starting Collar w/Damper is available in 12 sizes from 4" through 20". Air Tite series starting collars have a gasketed flange to ensure the best possible sealing at the joint. | | |
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| | | | | | #503SATTO Metal Air Tite 90° Saddle Take Off | | The #503SATT0 Air Tite 90° Saddle Take Off is available in 11 sizes from 4" through 18". Air Tite series starting collars have a gasketed flange to ensure the best possible sealing at the joint. | | |
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| | | | #503SATTOD Metal Air Tite 90° Saddle Take Off w/Damper | | The #503SATTOD Air Tite 90° Saddle Take Off w/Damper is available in 8 sizes from 5" through 14". Air Tite series starting collars have a gasketed flange to ensure the best possible sealing at the joint. | | |
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| | | | | | #503 Series Add-On Scoop | | Scoops may be added to the #503 Series Starting Collars. This can be indicated by adding a trailing "X" to the part number of the starting collar when ordering. | | |
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| | | | #507 Ductboard Collar w/Holes | | #507 Ductboard Starting Collars w/Holes are available for 1" to 1 1/2" thickness or 1 1/2" to 2" thickness ranges. Both models are also available with an optional scoop for added air deflection. Featured photo is the standard #507. | | |
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| | | | | | #507D Metal Starting Collar w/Damper for 1" or 1½" Ductboard | | The #507D Starting Collar w/Damper for
1" or 1½" Ductboard is available in 12 sizes from 4" through 20". | | |
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| | | | #508 Metal Starting Collar w/Holes for 1" or 1½" Ductboard | | The #508 Starting Collar w/Holes for 1" or 1 ½" Ductboard is available in 12 sizes from 4" through 20". | | |
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| | | | | | #508S Metal Starting Collar w/Holes & Sealed Inside Flange for 1" or 1½" Ductboard | | The #508S Starting Collar w/Holes and Sealed Flange On Inside for 1" or 1 ½" Ductboard is available in 12 sizes from 4" through 20". | | |
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| | | | #510 Rectangle-To-Round 45° Side Take Off | | The #510 45° Side Take Off is available in 8 sizes for connection to 5" through 14" round pipe. | | |
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| | | | | | #510D Rectangle-To-Round 45° Side Take Off w/Damper | | The #510D 45° Side Take Off w/Damper is available in 8 sizes for connection to 5" through 14" pipe. | | |
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