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Polyken 339 3" Aluminum Foil Tape UL181A/B Listed
- All-weather UL Listed Foil Tape for sealing rigid, fiberglass, and flexible duct systems High performance acrylic adhesive performs in cold /wet or hot/humid weather Strong, conformable foil backing, printed for easy inspection UL 181A-P and UL 181 B-FX Listed 72mm x 55M (2.83in x 60Yd)