DuraVent FasNSeal Flex 7" x 175' Stainless Steel Custom Flex Length h3.4 Size (Diameter) 7" Length 25'

Size (Diameter) 7" Length 25' Warranty

5 flame and media bed light intensity settings

Product Code Part No Size 4DT-CCKA 1604631 4-Inch (Chimney Conversion Kit - A) 4DT-CCKB 1604635 4-Inch (Chimney Conversion Kit - B) 4DT-MCK 1604630 4-Inch (Masonry Chimney Conversion Kit)

Black Powder Coated Surround

A 7 1/2" B 2 1/2" Technical Dimensions

DuraVent FasNSeal Flex 7" x 175' Stainless Steel Custom Flex Length h3.4 Size (Diameter) 7" Length 25'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