Product HighlightsPR-25 flexible duct is constructed with a spring steel wire helix, encapsulated in a 2-ply, air tight inner-core. Fiberglass (Choice of R4.2, R6, R8) insulation encompasses the core and a black polyethylene vapor barrier surrounds the entire duct.
- UL listed and labeled
- Guaranteed out of package lengths
- 10 year limited warranty
- Greenguard Children & Schools 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 14.00 Pounds Length 300.00 Inches Width 14.00 Inches Height 14.00 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 14" Insulated Yes Maximum Air Flow 5000 FPM Maximum Pressure 4" 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: 1/2" W.G., Max. Positive: 4" W.G. Size 14" x 25' Warranty Offered Yes Compliance UL 181 UL Listed Yes
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