Product HighlightsPR-50 flexible duct is constructed with a spring steel wire helix, encapsulated in a 2-ply, air-tight inner core. Fiberglass insulation choices of R4.2 & R6 encompass the core and a black polyethylene vapor barrier surrounds the entire duct.
- Reduces Flex Duct installed cost by 12% UL Listed & Labeled
- Guaranteed out of package lengths
- 10 Year limited warranty
- GREENGUARD Gold Certification Formaldehyde free (see www.jplflex.com for more info) 3/8” oversize inner core
- Certified R-Values
California residents: see Proposition 65 Warning
Weight 6.00 Pounds Length 600.00 Inches Width 6.00 Inches Height 6.00 Inches Country of Origin USA Brand JP Lamborn R-Value R4.2 Jacket Material Polyethylene Vapor Transmission 0.19 US Perms Certifications UL181 Color Black Composition Polyester, Fiberglass Insulation, Polyethylene, Steel Wire Core Material Polyester, Steel Wire Fire Rating Class 1 Inside Diameter 6" Insulated Yes Maximum Air Flow 5000 FPM Maximum Pressure 6" W.G. Maximum Temperature 200°F (93.3°C) Operating Temperature 0°F to 200°F (-17.7°C to 93.3°C) Pressure Rating Max. Negative: 1" W.G., Max. Positive: 6" W.G. Size 6" x 50' Warranty Offered Yes Compliance UL181 UL Listed Yes
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