DuraVent DuraFlex SW 4" x 150' Stainless Steel Custom Length multi-sided This fire pit table is

This fire pit table is ideal for outdoor entertaining and uses a standard propane tank

Reflective black ceramic glass interior panels

Maintains proper clearance when passing the pipe through an insulated attic

With the Luxuria™ See Through fireplace

What could be the cause

DuraVent DuraFlex SW 4" x 150' Stainless Steel Custom Length multi-sided This fire pit table isDuraFlex 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