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6" x 24" Selkirk Ultra-Temp Support Box - 206424

Item: COP77909

Out of stock

  • 304-alloy stainless steel inner liner, 430-alloy stainless steel outer
  • 2" clearance to combustibles
  • 1" solid-pack insulation
  • Twist-lock coupler with locking band
  • Factory-Built
  • Clean, smooth exterior finish
  • Less likely to corrode

This support box is intended for use when installing chimney in an A-frame, in a mobile home, or in a narrow ceiling. It provides a finished installation at the ceiling level.

WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to

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