Dura-Vent DuraFlex Chimney LinerDuraFlex is Dura-Vent's flexible chimney liner is available in 316Ti stainless steel suitable for wood, coal, oil, pellet, and non-condensing gas (within the guidelines for light liners). If you have a straight down installation DuraFlex is a good choice, especially if price is a concern. We recommend you study the brochure and installation instructions to become familiar with the product. Follow manufacturer recommendations whenever applicable. Never use a chimney liner that is smaller in diameter than the flue size of the appliance it is being connected to.
Also see DuraFlexAL aluminum liner for gas burning appliances.
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