R4 Flex Duct - 25' Length

Please note: All HVAC equipment must be installed by a licensed or otherwise qualified HVAC dealer or contractor; and also must be installed in accordance with the manufacturer's installation instructions and in compliance with applicable codes.

Use flexible ducts to attach supply air outlets to more rigid ductwork.

Key Features:

• Insulation Value: R4.2
• R4.2 fiberglass insulation helps reduce heating and cooling cost
• Designed for heating, AC systems, and some venting applications