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Scotch® Aluminum Foil Tape 3311, silver, 2.0 in x 50.0 yd x 3.6 mils (5.1 cm x 45.7 m x 0.1 mm) | 3M Canada
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3M TALC Aluminum Foil Tape 3340, 2.5' x 50 yd, 4.0 mil, Silver, HVAC, Sealing and Patching Hot and Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal Repair: Masking Tape: Amazon.com: Industrial
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