DuraVent DuraFlex SW 4" x 180' Stainless Steel Custom Length btu31250 Supports a maximum of 25’

Supports a maximum of 25’ of chimney

Fits flat to 6/12 pitch roof

48" Length DuraBlack Single-Wall Black Pipe - 6DBK-48 Use for a single-wall connector pipe

What size hearth pad do I need

DuraVent DuraFlex SW 4" x 180' Stainless Steel Custom Length btu31250 Supports a maximum of 25’DuraFlex 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