Flexible Flue Twin Wall Liner
- Both inner and outer layers made from corrosion-resistant 316L stainless steel. 904L stainless steel is also available as an option for the extreme conditions found with appliances like slumbering stoves.
- Corrugated outer skin for high crush resistance.
- Extra smooth inner skin allows for easy drain down of condensates, less opportunity for soot to collect in the joint area and ease of sweeping.
- Engineered joint design gives extra strength and flexibility.
- Inner skin remains smooth and protective even after the rigours of installation.
- Now with Lifetime*Guarantee