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Flex King Pro Stainless Steel Lining Kit. Includes: Cap, Top Plate, 316ti SS Liner, Stove Connector, and Installation Instructions. Comes with the EZ Clamp component system for easy installation. This configuration is for wood, coal, pellet, gas, and oil that require a Stove Connector for bottom terminations. (ie. connecting to a fireplace insert)

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 WallFlex 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.