4″ x 50′ LamaFlex UL 181 Class 1 Air Connector – Item #450UL
Flexible aluminum\aluminum foil LamaFlex duct is ideal for applications where building codes require use of all aluminum duct. The duct has a maximum operating temperature of 250°F.
- UL 181 listed and labeled
- Laminated foil design for easier installation
(1) – 4″ x 50′ LamaFlex UL 181 Class 1 Air Connector