DuraVent DuraFlex SW 4" x 160' Stainless Steel Custom Length l35.5 Tested and Listed to UL641

Tested and Listed to UL641

Included instant touch-up pen for great convenience

and a wall thimble

fresh air must be able to pass under the fire table to safeguard against residual gas accumulation

This beautiful piece of cast iron is designed to add traditional elegance to the front of your gas fireplace setup

DuraVent DuraFlex SW 4" x 160' Stainless Steel Custom Length l35.5 Tested and Listed to UL641DuraFlex 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