DuraVent 304Ti Alloy stainless steel DuraFlex Light chimney liner: This product is 3" inner diameter x 25 feet long. One of the most affordable light lining systems available. Other DuraVent DuraFlex pipes and components with a 3" inner diameter are compatible. A venting pipe with a 3" inner diameter is required for this unit. This DuraVent DuraFlex pipe, with its 3" inner diameter and 20-foot length, could be an important part of your chimney liner system. It's composed of 304Ti stainless steel, so you won't have to replace it anytime soon. DuraVent DuraFlex is also one of the most affordable light lining systems on the market, making it a safe and cost-effective option. This liner is only compatible with DuraVent DuraFlex pipes and components with a 3" inner diameter.

DuraVent 304Ti Alloy stainless steel DuraFlex Light chimney liner Measures 3 inches inner diameter x 25 feet long One of the least expensive light liner systems on the market For use with other DuraVent DuraFlex pipes and components with a 3 inch inner diameter