3M™ Expantrol Flexible Intumescent Strip, E-FIS, black, 1/16 in x 1/2 in x 50 ft. (0.16 cm x 1.3 cm x 15.24 m)
3M Stock
B40070033
3M™ Fire Barrier Duct Wrap 615+, 24 in x 25 ft, 1 Roll/Case
3M Stock
B40070031
UPC
00051115549052
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3M™ Expantrol Flexible Intumescent Strip, E-FIS, black, 1/16 in x 1/2 in x 50 ft. (0.16 cm x 1.3 cm x 15.24 m)
3M Stock
B40070033
3M™ Fire Barrier Duct Wrap 615+, 24 in x 25 ft, 1 Roll/Case
3M Stock
B40070031
UPC
00051115549052