Speedi-Products 14 in. x 3.25 in. x 36 in. Wall Stack Duct. Used for interior wall supply and return air ducts. Can be used for Remodeling, Do it yourself and New Residential projects.
- Galvanized wall stack duct
- For interior wall supply and return air ducts
- Seal joints with approved duct mastic sealants
- Each section snaps together for ease of assembly
- Insulate ductwork for improved energy efficiency and comfort