Z-Flex 6" x 25' Triple-Lock Stainless Steel Smoothcore All Fuels Chimney Liner Kit w64.75 1/4–1/2-inch fire glass in irregular

1/4–1/2-inch fire glass in irregular fragments

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Z-Flex 6" x 25' Triple-Lock Stainless Steel Smoothcore All Fuels Chimney Liner Kit w64.75 1/4–1/2-inch fire glass in irregularEliminates the turbulence that's inherent with corrugated liners, improving draft. Resists corrosive attack by not impeding the flow of condensate down the liner, with therefore, less opportunity for soot to accumulate. Note: For Use with Natural Draft Appliances. Not intended for use with Category II, III, or IV gas burning appliances as defined by the National Fuel Gas Code, NFPA 54, or other appliances that result in condensation or corrosive acids