12 in. x 15 ft. Foil and Fiberglass Duct Insulation
Frost King. $24.99. In stock.
The Thermwell Products Co., Inc. 12 in. x 15 ft. Foil and Fiberglass Duct Insulation can be used on either heating or air conditioning ducts. Insulates against heat loss in winter and cooling loss in summer. Tapes in place.
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