Z-Flex 5" x 30' Triple-Lock Stainless Steel Smoothcore All Fuels Chimney Liner Kit btu42500 D x 11" - 20"

D x 11" - 20" Length 4" I

Sturdy frame with total bearing capacity of 550 lbs 55 lbs in weight easy to be moved without help

5"W x 15"H x 21"D

Besides universal size fits most round-style stand-up outdoor heaters and extends the service life of your favorite outdoor heater

All Other Parts If any assembled part should fail to operate or be found defective within two years of the verified purchase date

Z-Flex 5" x 30' Triple-Lock Stainless Steel Smoothcore All Fuels Chimney Liner Kit btu42500 D x 11" - 20"Eliminates 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