Flat Ceiling Support Box
Supports chimney pipe and provides a positive connection between support box and chimney with a built-in twist-lock. Designed for installation in flat ceiling only. Supports up to 60' of duratech chimney. Use adapter to attach DVL or Durablack to the support box. a 2" wide trim collar is included. Not painted, but can be painted with high temperature paint. (for adapters see DVL/Durablack section).