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- Made from corrosion-resistant 316L stainless steel
- Leak resistant construction due to continuous weld (Fig1) (Wonderflex) or dovetail folded seam (Triplelock)
- Highest corrosion resistance
- Deep corrugations for high crush resistance and better flexibility when installing
- Strong seam construction resists the rigours of pulling the liner into place during installation
Gas, Oil and 316 grade multi fuel flexible liners carry a 10 year conditional warranty, whilst 904 grade multi fuel flexible liners carry a 25 year conditional warranty. However, the flexible flue liner must be correctly sized, installed, and properly maintained, burning only approved fuels in accordance with the appliance manufacturers instructions.