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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
$265.00
$329.99
20% Off
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Product Details
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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