DuraVent DuraFlex SW 4" x 180' Stainless Steel Custom Length btu31250 Brand DuraVent Series FasNSeal Flex

Brand DuraVent Series FasNSeal Flex Model 5FSFLEX-155 Product Type Flex Length (Custom)

X36WI Decorative Wrought Iron Front

but not "blocked shut"

Fits flat to 6/12 pitch roof

and 50” models

DuraVent DuraFlex SW 4" x 180' Stainless Steel Custom Length btu31250 Brand DuraVent Series FasNSeal FlexDuraFlex SW is a smooth inner wall, flexible stainless steel chimney liner. The smooth inner wall provides for no output reduction allowing for full appliance efficiency. Smooth wall construction eliminates ridges that restrict flue gas flow and collect deposits. The lack of ridges facilitates cleaning and maintenance. DuraFlex SW is ideal for relining masonry chimney for wood and gas burning appliances. Listed to UL 1777. What's Included Length