DuraVent FasNSeal Flex 12" x 110' Stainless Steel Custom Flex Length teak 5"(L x W x H)

5"(L x W x H) Warranty

HE31 Air Space on Sides YES Brand Heatilator

*These functions were not available in the smart series

Receiver included

DuraVent FasNSeal Flex 12" x 110' Stainless Steel Custom Flex Length teak 5"(L x W x H)Made 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