DuraVent FasNSeal Flex 2" x 70' Stainless Steel Custom Flex Length d19.375 Simple design ensures adequate separation

Simple design ensures adequate separation of intake air from exhaust

Size: 80-inch

This heater is available with a variety of control systems

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DuraVent FasNSeal Flex 2" x 70' Stainless Steel Custom Flex Length d19.375 Simple design ensures adequate separationMade 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