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Owens Corning Thermafiber UltraBatt R- 15 Wall 29.37-sq ft Unfaced Mineral Wool Batt Insulation (15-in W x 47-in L) in the Batt Insulation department at Lowes.com
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Owens Corning R-23 Thermafiber UltraBatt Mineral Wool Insulation Batt 15 in. x 47 in. UB-40-P5D-15--47--121 - The Home Depot
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