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DuraVent DuraPlus 6 Inch Diameter Square Ceiling Support Box and Trim Collar - 11 Inch
DuraVent DuraPlus 6 Inch Diameter Square Ceiling Support Box and Trim Collar - 11 Inch
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DuraVent DuraPlus 6 Inch Diameter Square Ceiling Support Box and Trim Collar - 11 Inch
$221
07
Was
$269.99
Save
$48.92
(18%)
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11h 32m 28s
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Ships same business day
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Product Details
The DuraVent DuraPlus 6 Inch Diameter Square Ceiling Support Box and Trim Collar - 11 Inch makes setting up your DuraPlus chimney system a breeze. This handy unit sports a built-in starter section and a neat trim collar, simplifying the whole process. It's designed to play nice with flat, vaulted, and cathedral ceilings, giving you lots of flexibility for your setup. Plus, it can handle a good stretch of DuraPlus chimney, up to 35 feet, so you've got plenty of reach. This support box is painted a classic black, and the included trim piece helps everything look sharp and finished once it's all put together.
Customer Q&A with Product Specialists
Jeremy D.
from Washington State asked:
What is the total height of the box? Also, can cellulose insulation be against the box in the ceiling?
The total height of this ceiling support box is 11". Yes, it can have insulation up to the outside of the support box.
Answered by:
Aaron D.
on Sep 08, 2025
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