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DuraVent 6DFA-35K Aluminum 6" Inner Diameter - DuraFlex AL Flexible Liner Type B Gas Vent Pipe - Double Wall - 35' Chimney Liner Kit - VentingPipe.com
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vent - How should I seal a flexible flue liner passing through large clay thimble? - Home Improvement Stack Exchange
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Chimney Fundamentals: The Science of Venting Flue Gases - Part 3 | 2015-04-20 | ACHRNEWS | ACHR News
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Gas Chimney Liner Kit B-Vent Adapter 5" x 25" Natural Gas Aluminum Front Water Connections - MLK0525
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