Speedi-Products 3 in. Aluminum duct coupling. Used in joining 3 in. Exhaust air duct systems for dryers, exhaust fans and range hoods. Can be used for remodeling, do it yourself and new residential projects.
- Ideal for joining 3 in. exhaust air duct systems
- Ideal for dryers, exhaust fans and range hoods
- Seal joints with approved duct mastic sealants and tapes
- Consult your local building codes for approved installation practices