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Flex King Pro Stainless Steel Liner Only.

flex king is ul tested and listed

Its smooth wall interior allows for more draft and less creosote build-up.

  • Double the thickness of single wall liner
  • Smooth wall on the inside increases draft by 20% and reduces creosote build-up
  • 100% leakproof and air tight
  • All purpose for use on oil, wood and gas
  • Corrugated interlocked seamed on the outside to provide strength and flexibility
Regular Liner Interior Wall Flex King Pro Interior Wall


Liner Alloy: 316Ti
Fuel Type: Wood, Pellet, Gas, Oil
UL Listed: Yes – UL 1777
Outside Diameter: Add 1/4in to I.D.