DuraVent DuraFlex SW 6" x 40' Stainless Steel Custom Length valve Frame Color

Frame Color

It has a double wall filled with insulating wool

Jelly bean glass offers beautiful colors that do not fade or need replacing

Note: Please consult local building codes for specifics regarding any masonry fireplace application

Four optional fronts

DuraVent DuraFlex SW 6" x 40' Stainless Steel Custom Length valve Frame ColorDuraFlex 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