Product HighlightsMHP 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 unique metalized, reinforced 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
- 3/8" oversize inner core
- Certified R-Values
- Reduces Flex Duct scrap & waste by 12%
California residents: see Proposition 65 Warning
Weight 30.00 Pounds Length 540.00 Inches Width 11.50 Inches Height 11.50 Inches Country of Origin USA Brand JP Lamborn R-Value R8 Jacket Material Polyester Vapor Transmission 0.01 US Perms per ASTM E96A-94 Color Silver Composition Spring steel wire helix encapsulated in a 2 ply air tight inner core. Core Material Air tight 2 ply black pigmented polyester Fire Rating Class 1 Inside Diameter 7" Insulated Yes Maximum Air Flow 5000 FPM Maximum Pressure 6" W.G. Maximum Temperature 200°F (93.3°C) Operating Temperature 0 - 200°F Pressure Rating 6" W.G. Size 7" x 45' Warranty Offered Yes Compliance Various UL Listed Yes
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