DuraVent FasNSeal Flex 8" x 135' Stainless Steel Custom Flex Length h14.96 44" H x 74

44" H x 74

The heater must be inspected by a qualified person before use and at least annually

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Rear Width: 72"

Model Number ONB01-105DG Length 17

DuraVent FasNSeal Flex 8" x 135' Stainless Steel Custom Flex Length h14.96 44" H x 74Made from super ferritic stainless steel. Corrosion resistant. Manufactured with a sure seal locking seam for superior strength and flexibility. The smooth inner wall provides for no output reduction, allowing for full appliance efficiency, ease of cleaning and regular maintenance. The smooth inner wall optimizes gas flow, minimizes back pressure, and facilitates condensate management. Only flexible chimney liner listed to UL 1738 standard. What's