Master Flow F6IFD4X300 Insulated Flexible Duct, 4 in, 25 ft L, Fiberglass, Silver
$63.99
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Metalized jacket, single strand fiberglass yarns for added strength and tear resistance. 2 in thick glass fiber. Two-ply continuous inner core products, smooth interior for more efficient air movement Two-ply continuous inner core products, smooth interior for more efficient air movement Vapor barrier, durable and scuff-resistant jacket Zinc-coated, high-carbon steel wire helix Thick, continuous blanket of glass fiber insulation Metalized single-strand fiberglass yarns for added strength and tear-resistance
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