Z-Flex 7" x 25' Triple-Lock Stainless Steel Smoothcore All Fuels Chimney Liner Kit btu30500 The variable flame reaches a

The variable flame reaches a height of 17"

Large variety of termination caps available

Patented roll-lock

Model BM0101/2/3/4

Z-Flex 7" x 25' Triple-Lock Stainless Steel Smoothcore All Fuels Chimney Liner Kit btu30500 The variable flame reaches aEliminates 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