Speedi-Products 4 in. x 60 in. 30-Gauge Aluminum Rigid Round Pipe for use in HVAC warm air supply, return and exhaust duct systems. Can be used for Remodeling, Do it yourself and New Residential projects.
- Used in HVAC warm air supply, return and exhaust duct systems
- Seal joints with approved duct mastic sealants
- Insulate ductwork for improved energy efficiency and comfort
- Consult your local building codes for approved installation practices