Description
- 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
- Steel Wire Support Note: Not for use to vent appliances for cooking, heating, and clothes drying unless approved and recommended by the appliance manufacturer
PRODUCT SPECIFICATIONS
- Wire helix duct with steel wire support
- Multi-ply design of aluminum/polyester laminate and metalized polyester
- PRO Performance LevelUL 181, Class 1 air connector label;
- UL sticker every 10 feet
- 3″ dia. has ” pitch; 412″ dia. has 1″ pitch
- Maximum velocity rating 5000 fpm
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