1 R RUI SPEED Aluminum Foil Tape, Metal Duct Tape, 2 in x 66 FT (4 mil), Professional Grade for HVAC, Patching Hot, Cold Air Ducts, Metal Repair, Ductwork.: Amazon.com: Industrial & Scientific
Professional Grade Waterproof Heat Resistant Aluminum Foil-Backed Ducting Tape - China Tape and Duct Tape
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ProTech Global GT1625HT FSK (Foil/Scrim/Kraft) Aluminum Foil Tape - General Insulation