Quietflex 420-50

Quietflex 420-50 Black Polyester R4 Class 1 Insulated UV-Inhibited Flexible Air

Quietflex 420-50

Quietflex manufactures flexible duct for the commercial, residential and manufactured home industries. We produce 4 through 22 Inch duct in R4.2, 3 through 22 Inch in R6 and 3 through 20 Inch in R8 insulation thickness. The Quietflex UV-Inhibited black jacket flex duct has a UV-inhibited polyethylene vapor barrier.

Brand Name      :      Quietflex
Color      :      Black Jacket
Item Name      :      UV-Inhibited Flexible Air Duct
Length      :      50 feet
Material      :      Polyester Vapor Barrier and Fiberglass Insulation
Pressure Rating      :      10 Inch WC Positive, 1/2 Inch WC Negative
R-Value      :      R4
Size      :      4 Inch
Temperature Rating      :      -20 to 180 deg F Continuous, -20 to 200 deg F Intermittent
Type      :      Insulated, Class 1
Velocity      :      6000 fpm
  • Johns Manville formaldehyde-free fiber glass insulation
  • Galvanized or bronze metal core reinforcing
  • Oversized core to fit on collars and register boxes
  • Weather resistant packaging
  • Easy-to-carry package up to 10 Inch bags are strapped to form a pair
  • Surface burning characteristics flame spread less than 25, smoke developed less than 50, class 1 rated duct assembly
  • Vapor barrier - the Quietflex UV-inhibited black jacket sleeve has a UV-inhibited polyethylene vapor barrier, vapor transmission: 0.11 perms
  • Bag packaging
  • pdf Specification Sheet https://cdn-assets.unilogcorp.com/ASSETS-H/DOCUMENTS/ITEMS/EN/UNIGP082019513_Spec.pdf