DuraVent DuraFlex SW 12" x 20' Stainless Steel Custom Length h6.5 the liner will not come

the liner will not come apart

75" (A) x 6

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Item Number 3DF316-20KT Series DuraFlex 316 Product Type Tee Kit Size (Diameter) 3" Flex Length 20' Warranty

DuraVent DuraFlex SW 12" x 20' Stainless Steel Custom Length h6.5 the liner will not comeDuraFlex SW is a smooth inner wall, flexible stainless steel chimney liner. The smooth inner wall provides for no output reduction allowing for full appliance efficiency. Smooth wall construction eliminates ridges that restrict flue gas flow and collect deposits. The lack of ridges facilitates cleaning and maintenance. DuraFlex SW is ideal for relining masonry chimney for wood and gas burning appliances. Listed to UL 1777. What's Included Length