Builders Best® 110224 Foil Duct, 4 in ID, 8 ft L, Flame/Smoke Rating: <25 Flame, <50 Smoke, 5000 fpm Max Air Velocity
Builders Best® 110224 Foil Duct, 4 in ID, 8 ft L, Flame/Smoke Rating: <25 Flame, <50 Smoke, 5000 fpm Max Air Velocity

Builders Best® 110224 Foil Duct, 4 in ID, 8 ft L, Flame/Smoke Rating: <25 Flame, <50 Smoke, 5000 fpm Max Air Velocity

Builders Best® 110224 Foil Duct, 4 in ID, 8 ft L, Flame/Smoke Rating: <25 Flame, <50 Smoke, 5000 fpm Max Air Velocity

Manufacturer: Builder's Best, Inc
Brand: Builders Best®
Part #: 309200
MPN: 110224
CPN:
Flame / Smoke Rating      :      <25 Flame, <50 Smoke
Inside Diameter      :      4 in
Length      :      8 ft
Material      :      Aluminum/Metalized Polyester/Polyester Laminate
Maximum Air Velocity      :      5000 fpm
Maximum Working Pressure      :      6 in-WG
Operating Temperature Rating      :      -20 to 180 deg F
Package Quantity      :      12 Case
Product Family      :      Model WMF621
Product Type      :      Duct

Builders Best® Foil Duct, 4 in ID, 8 ft L, Flame/Smoke Rating: <25 Flame, <50 Smoke, 5000 fpm Max Air Velocity, -20 to 180 deg F Operating Temperature, 6 in-WG Max Working Pressure, Product Family: Model WMF621, Aluminum/Metalized Polyester/Polyester Laminate

  • Wire helix multi ply foil duct designed for low to medium operating pressures in HVAC systems
  • 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