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Strong polyester film laminated and encapsulating a heavy, corrosion resistant steel wire helix, forms the inner core. And supports a thick blanket of fiberglass insulation. The outer vapor barrier is a new bi-directional reinforced metalized vapor barrier which will not unravel.
|Assembled Depth (in.)||25 in||Assembled Height (in.)||11.5 in|
|Assembled Width (in.)||11.5 in||Product Diameter (in.)||7 in|
|Product Length (in.)||300|
|Maximum air flow (CFM)||1458||R Value||6.0|
|Certifications and Listings||1-UL Listed|
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