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8-mm thickness
These elongated
A: Suitable for rectangular or round supply and return ducts in residential or light commercial HVAC
The 20-in x 20-in
CertainTeed R-11 Unfaced Fiberglass Batt Insulation, 15-1/4 in x 93 in, 3-1/2 in Thick, 157.58 sq-ft Longboards Series 8-mm thicknessR 11 Unfaced Fiberglass Batt Insulation (15 1 4 in x 93 in) CertainTeed InsulPure unfaced fiberglass batt insulation helps reduce heat loss and gain to improve comfort and energy efficiency. Designed to fit common stud and joist cavities, it cuts and installs easily for walls, floors, and ceilings. Key Features: Energy Saving R 11 Performance: Helps slow heat transfer for improved comfort and reduced heating cooling costs. Unfaced Batt Design: Ideal
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