DuraVent FasNSeal Flex 3" x 75' Stainless Steel Custom Flex Length standard It controls the speed of

It controls the speed of the fan to maintain proper pressure in the chimney

See Through Burner with Skytech 3-IN-1 Valve Z21

Mesh Fire screen

Lift operates with a single piston actuator and steel external casing to prevent wear

The barrier screen covers the front opening of your fireplace

DuraVent FasNSeal Flex 3" x 75' Stainless Steel Custom Flex Length standard It controls the speed ofMade from super ferritic stainless steel. Corrosion resistant. Manufactured with a sure seal locking seam for superior strength and flexibility. The smooth inner wall provides for no output reduction, allowing for full appliance efficiency, ease of cleaning and regular maintenance. The smooth inner wall optimizes gas flow, minimizes back pressure, and facilitates condensate management. Only flexible chimney liner listed to UL 1738 standard. What's