DuraVent FasNSeal Flex 4" x 150' Stainless Steel Custom Flex Length w25.63 6% Average overall efficiency (LHV)

6% Average overall efficiency (LHV)

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Millivolt - Propane to Natural Gas Conversion Kit

Product Type Mid Section Pipe Length 12" Diameter 8" Finish RAL 7035 38/70035 Powder Coat Documents & Files

but not the mess or maintenance

DuraVent FasNSeal Flex 4" x 150' Stainless Steel Custom Flex Length w25.63 6% Average overall efficiency (LHV)Made 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