DuraVent DuraFlex SW 4" x 80' Stainless Steel Custom Length 17in use the 4/12 ceiling plate

use the 4/12 ceiling plate on a 3/12 ceiling)

Replaces need for kindling

4001' to 6000' above sea level - P090540

018" thick G90 Steel for sizes 3" to 14" diameter Diameter 6" to 10" Height 8

Must be used with a base of fyre glass or gems

DuraVent DuraFlex SW 4" x 80' Stainless Steel Custom Length 17in use the 4/12 ceiling plateDuraFlex 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