Mobile Home 14 in. x 25 ft. Insulated Flexible Duct R4.2 in Black Jacket


Heating, Venting & Cooling

The Master Flow Mobile Home 14 in. x 25 ft. Insulated Flexible Duct R4.2 Black Jacket is used in Manufactured and Mobile Home Heating and Air Conditioning systems and some venting applications. The extra heavy black polyethylene jacket with UV inhibitors allows for outdoor applications as well as indoor applications. It is ETL listed, meeting UL181 standard.

  • R4.2 fiberglass insulation
  • Flexible duct is convenient for use in manufactured and mobile home heating and A/C systems including and some venting applications
  • Oversized core to connect quickly and easily to standard sheet metal fitting
  • Galvanized core wire for greater corrosion resistance vs. non-galvanized wire
  • Duct can be cut to length as needed
  • Insulated duct features a maximum temperature rating of 200°F
  • Always install per instructions and seal using approved mastic or sealant (or approved tape)
  • Core: a full continuous inner core shields fiberglass from erosion
  • Vapor barrier: a durable, scuff-resistant black polyethylene jacket with U.V. inhibitors
  • Helix: zinc-coated, high carbon steel wire helix for added strength
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