BUILDER'S BEST 110244 Foil Duct, 50 ft L, Class 1 Pressure Class, Aluminum/Polyester

UL 181, Class 1 air connector label for general venting. Multiply design of metalized polyester with 1 in pitch steel wire support.

Details

• Designed for low to medium operating pressures in HVAC systems
• Multi-ply design of metabolized polyester and aluminum/polyester laminate
• Steel wire support
• Encapsulated wire helix does not unravel when cut to length
• Air tight construction and smooth inner core