Frost King 12 in. x 15 ft. L Fiberglass/Foil Duct Insulation

Frost King Foil & Fiberglass Duct Wrap 6.0 R-Value Combines the properties of two popular insulating materials in one handy roll. Can be taped securely in place and used on both heating and air-conditioning ducts, as well as on car and truck hoods and trunks to cushion and reduce vibrations. Made in the USA.