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UL 181B-FX Listed film tape for use on Class 1 Flex Duct for connecting, joining, sealing and patching flexible air ductwork. 2.8" x 120yd....
SF 686 UL 181B-FX Listed ShurMASTIC® Butyl Foil Tape
ShurMASTIC® butyl foil tape used for airtight and moisture-free sealing of Class 1 Flex Duct, ...
ShurMASTIC® butyl foil tape used for airtight and moisture-free sealing of Class 1 Flex Duct, ...



