Supports the pipes for chimneys that run through the ceilings. It's suitable for both flat and cathedral ceilings. For use with 5" DuraTech chimney pipes. 12" W x 12" L x 24" H. Supports up to 60 feet of chimney. A vent pipe with a 5" inner diameter is required for this unit. DuraTech chimney pipe is noted for its exceptional durability, adaptability, and quality. DuraTech's Ceiling Support Box aids in the passage of DuraTech chimney piping through a ceiling. This venting attachment is a 24" square support box that supports up to 60 feet of chimney and is ideal for flat or cathedral ceilings. This box is designed exclusively for use with 5" DuraTech chimney pipes and has a sleek black finish and trim collar. This support comes with a limited lifetime warranty.

Supports chimney piping through ceilings Can be used on flat and cathedral ceilings For use with 5" DuraTech chimney pipes 12" W x 12" L x 24" H Supports up to 60 of chimney