Atco Flexible Air Duct, Insulated, Series: 031 Series, 18 in Inside Dia, 25 ft Length, 5000 fpm, R8 Insulation Value, 0.05 perm Vapor Transmission, -3/4 to 4 in-WG, -20 to 140 deg F, For Use With: Complete Air Duct System and/or a Branch Duct Connecting to Mixing Boxes, Diffusers, Light Troffers, Room Inlets or other Terminal Devices, Polyester/Fiberglass/Metalized Polyester, Silver, Domestic
- Air-tight inner core - energy efficient/no fiberglass erosion into air stream
- Encapsulated wire helix - no unraveling when cut to length, quick installation
- Smooth inner core - low friction loss, low operating cost
- Thick blanket of fiberglass insulation energy efficient/excellent thermal characteristics
- Tough reinforced metallized polyester jacket - tear and puncture resistant/low maintenance
- Lightweight compact carton reduces warehouse and jobsite handling cost
- Metallized polyester vapor barrier with tri-directional reinforcements
- 2-ply polyester core
Standards/Approvals: ADC Certified|ASTM C-518|Cities of Chicago|County of Dade (Florida)|California State Fire Marshal|GreenGuard Certified|HUD Approved|ICC-ES ESR-1268|IMC Approved|IRC Approved|New York|NFPA 90A/90B|San Francisco|UL 181|UMC 10-1
Application: For indoor use as a supply and return air duct in residential and commercial low-to-medium pressure heating and air conditioning systems
Application: For indoor use as a supply and return air duct in residential and commercial low-to-medium pressure heating and air conditioning systems
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