10" KM R8 Flex-Vent Insulated Flexible Air Duct

Flex-Vent KM Has A Strong Polyester Film Laminated and Encapsulating A Heavy, Corrosion Resistant Steel Wire Helix Thatforms the Innercore and Supports A Thick Blanket Of Fiberglass Insulation. The Outervapor Barrier Is A Bi-Directional, Reinforced Metallized Vapor Barrier Which Will Not Unravel. The Smooth Air Tight Inner Core Of Polyesteris Designed For Low To Medium Pressure Systems.

Flex-Vent Advantages:

• Fast, Economical Installation.
• Oversized Cores For Proper Fit.
• Easily Shaped To Fit Oval Inlets.
• Superior Insulation and Thermal Performance.
• UL181 Listed and Complies with NFPA Standards 90A and 90B.
• Complies with Most State and Federal Standards or Codes.
• Ideal For Residential Air Distribution and Venting Applications.
• Flex-Vent Is Competitively Priced and Backed By A 5 Year Warranty.

Specs:

• Diameter: 4-20 Inches ID
• Pressure Rating: (Wg)
• Positive: 10 Inches (4"-16" ID)6 Inches (18"-20" ID)
• Negative: 1/2 Inch (4"-20" ID)
• Velocity: 5000 Fpm
• Temperature Range: -20F To 250F
• R Value: R-4.2, R-6.0, R-8.0
• 5 Year Warranty

Meets UL 181 and NFPA 90A-90B Fire Codes