Pre-Insulated Forever Flex is manufactured from 430 stainless steel in the outer skin and 316Ti inner stainless steel liner.
It comes ready to install with Olympia Chimney Supply's non-carcinogenic Super Wrap Insulation Blanket already wrapped around the liner. It is convenient for the installer; saving both time and money.
The outside dimensions is 2" larger than the inside dimension.
It carries the Forever Warranty, is UL/ULC listed, has 0 to 0 clearance within a masonry chimney.
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