6" x 24" Selkirk Ultra-Temp Support Box - 206424
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 www.P65Warnings.ca.gov.
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