Description
ThermoFlo Technologies SR series is an industrial-quality insulated duct manufactured tough for consumer and installer peace of mind. It consists of a 3-ply polyester laminate, fiberglass reinforced scrim, galvanized spring steel wire and fiberglass insulation wrap to provide an outstanding combination of strength and tear resistance. A heavy-duty fire-retardant black polyethylene vapor barrier adds extra durability. The insulation reduces noise, heat loss and condensation.
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