Speedi-Products Wall Stacks And Accessories Are Used For HVAC Supply And Air Return Ducts.
Speedi-Products Wall Stacks and Accessories are designed for interior wall supply and return air ducts. Ducts can be sealed and insulated for improved energy efficiency and comfort. Use approved duct sealants. Choose from Stacks, 90° and End Boots, and Short Way and Long Way Elbows. Use for do-it-yourself remodeling and home construction projects.