Product Dimensions: 12" W x 12" L x 24" H. Supports up to 60 feet of chimney. Designed to work with DuraTech 7" chimney pipes. Supports the pipes for chimneys that run through the ceilings. It's suitable for both flat and cathedral ceilings. A vent pipe with a 7" inner diameter is required for this unit. If you're running piping through a ceiling, this square support box can make things a whole lot easier. This square support may be used with any of DuraTech's 7" pipes and can support your piping whether you're piping through a standard or cathedral ceiling. Each unit can support 60 feet of chimney, and the sleek black finish blends in with the surroundings, while the attached trim collar increases the support system's efficacy.

Product Dimensions: 12" W x 12" L x 24" H Supports up to 60 of chimney For use with 7" DuraTech chimney pipes Supports chimney piping through ceilings Can be used on flat and cathedral-style ceilings