DuraVent FasNSeal Flex 4" x 40' Stainless Steel Custom Flex Length btu6900 00" Actual Weight 28

00" Actual Weight 28

We specialize in burner systems

1/2" Clear Fire Glass

Its expansive viewing area showcases a continuous band of dramatic

DuraVent FasNSeal Flex 4" x 40' Stainless Steel Custom Flex Length btu6900 00" Actual Weight 28Made 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