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Builder's Best 110244
UL 181, Class 1 air connector label for general venting. Multiply design of metalized polyester with 1 in pitch steel wire support.
California residents see Prop 65 WARNINGS
- Wire helix multi-ply foil duct designed for low to medium operating pressures in HVAC systems
- Class 1 air connector label meeting NFPA (90A and 90B)
- Tear and puncture-resistant
- Encapsulated wire helix does not unravel when cut to length
- Air-tight construction and smooth inner core
- Multi-ply design of metalized polyester and aluminum/polyester laminate
- 3 in Dia has 3/4 in pitch
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