DuraVent FasNSeal Flex 9" x 175' Stainless Steel Custom Flex Length h2.75 To adjust the size of

To adjust the size of the flame and heat production

5" rear / 14" depth Certification ANSI Z21

Available in a variety of finishes

Style: Straight and Arched

DuraVent FasNSeal Flex 9" x 175' Stainless Steel Custom Flex Length h2.75 To adjust the size ofMade 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