Z-Flex 4" x 25' Triple-Lock Stainless Steel Smoothcore All Fuels Chimney Liner Kit h10.875 Model CB42NTR Fuel Type Natural

Model CB42NTR Fuel Type Natural Gas Altitude (FT) 0-4

Real Fyre Charred Royal English Oak Gas Log Set is available in 18/20"

Double-wall stovepipe features a laser-welded stainless steel flue and heavy-duty 24-gauge steel casing

4" inner diameter with 6 5/8" outer diameter

Z-Flex 4" x 25' Triple-Lock Stainless Steel Smoothcore All Fuels Chimney Liner Kit h10.875 Model CB42NTR Fuel Type NaturalEliminates 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