DuraVent FasNSeal Flex 9" x 175' Stainless Steel Custom Flex Length h2.75 Model SS2020U Outside Tile Size

Model SS2020U Outside Tile Size 20" x 20" Fits Outside Tile Size 18

Synthetic leather seat wear-resistant breathable anti-aging and no peculiar smell

12VAC input power allows use with pool systems

Available in a variety of finishes

5" rear / 14" depth Certification ANSI Z21

DuraVent FasNSeal Flex 9" x 175' Stainless Steel Custom Flex Length h2.75 Model SS2020U Outside Tile SizeMade 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