ATCO - Flexible Duct Insulated R-4.2
- UPC #070 R-Value 4.2 insulated flexible duct.
- UL 181 Class 1 Air Duct, Meets NFPA 90A and 90B.
- Inner core is double lamination of airtight polyester over steel wire helix.
- Grey polyethylene outer jacket over fiberglass blanket insulation.
- Rated 10" w.g. positive pressure, .75" w.g. negative pressure.
- Rated for -20F to 140F maximum operating temperatures, 5,000 fpm maximum velocity.
- Designed for low-to-medium pressure indoor HVAC systems.
- Compact, lightweight packaging one length per carton.
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