DuraVent FasNSeal Flex 7" x 40' Stainless Steel Custom Flex Length sqft1850 625" 11" (A) x 6

625" 11" (A) x 6

Back Width: 34"

Removable for fireplace service or panel replacement

000 62 7 30" ETCC18P1G (Manual) ANSI 31

DuraVent FasNSeal Flex 7" x 40' Stainless Steel Custom Flex Length sqft1850 625" 11" (A) x 6Made 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