6MR6 - Flexmaster Insulated Flex Duct
Spunbond Nylon fabric, mechanically locked to the duct helix without the use of adhesives. Made from corrosive resistant galvanized steel, the duct helix is mechanically formed to attach the duct fabric without the use of adhesives. Formaldehyde-free fiberglass insulation. Round flex duct, 25'L, Type 1, R6, +10" & -10" pressure class
Size | 6" Size or 8" Size or 10" Size or 12" Size or 14" Size or 16" Size or 18" Size or 20" Size |
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