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ThermoFlo Insulated Ducting 4"

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ThermoFlo Insulated Ducting 4"


Free Shipping on Orders Over $125



The SRB series duct consists of a three ply polyester laminate, fiberglass reinforced scrim, galvanized spring steel wire, wrapped with fiberglass insulation, which provides an outstanding combination of strength and tear resistance. A heavy duty fire retardant black polyethylene vapor barrier adds extra durability. 4" X 25'
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