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Internet # 304633821

Model # UB-40-P3D-15--47--121

Store SKU # 1003061505

15 in. x 47 in. R-15 Thermafiber Ultra-Batt Unfaced Mineral Wool Insulation Batt

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  • R-15 Mineral wool batt can be installed within exterior 2x4 wall
  • Easy to cut and install, even around construction irregularities
  • Fire resistant, mold resistant and non-corrosive
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