12 In. X 15 Ft. Foil and Fiberglass Duct Insulation por | ago 1, 2026The Thermwell Products Co., Inc. 12 in. x 15 ft. Foil and Fiberglass Duct Insulation can be used on either heating or air conditioning ducts. Tapes in place. Suitable for foil and fiberglass. Foil and fiberglass.
