This reliable high-pressure insulated air duct, Fab 3T is made of a reinforced aluminized trilaminate spirally wound and mechanically locked together by a corrosive resistant galvanized steel helix. The core is wrapped with thick fiberglass insulation and sleeved by a flame retardant, non-toxic polyethylene vapour barrier. This high pressure ULC-S110 and UL-181 Class 1 product is excellent for most return air systems.
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Flexmaster is a division of Novaflex, to view our full product line visit www.novaflex.com
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