DuraVent FasNSeal Flex 5" Stainless Steel Top Cover Plate d43.75 3" x 6" Flex extension

3" x 6" Flex extension coupler kit 1-3" and 1-6"

The Flex 158LC

Item Number GLASS-OY (2)

The natural appearance of the Supercast™ concrete lets the focus be on the stunning Crystal Fire® Plus burner

Liquid Propane BTU 125

DuraVent FasNSeal Flex 5" Stainless Steel Top Cover Plate d43.75 3" x 6" Flex extensionMade 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