JP Lamborn

JP Lamborn - MHP25-04 - 4" x 25' Silver Flex R4.2 Carton

Item: JPLMHP254
MFG: MHP25-04
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4" x 25' Silver Flex R4.2 Carton


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. Available In Cartons and Poly-Bags.

Features and Benefits:
  • UL Listed and Labeled
  • Guaranteed Out Of Package Lengths
  • 10 Year Limited Warranty
  • Greenguard Children & Schools Certification Formaldehyde Free with (See For More Info.)
  • 3/8" Oversize Inner Core
  • Certified R-Values

California residents: see Proposition 65 Warning

Features and Specification

Inside Diameter 4"
Fire Rating CLASS 1 AIR DUCT
Height 4.0000
Insulated Yes
EAN 0814400011715
Maximum Air Flow 5,000 FPM
Application Flexible Ducting
Brand JP Lamborn
Certifications UL-181
Dimensional Weight 8.0000
Compliance UL 181, NFPA 90A & 90B, UMC & IMC
Composition Polyester Film, Wire, & Insulation
Core Material 2-Ply Polyester
Cubic Measurement 0.2407
Length 26.0000
Maximum Pressure 6" W.G.
UL Recognized Yes
Size 4" x 25'
UL Listed Yes
UPC 814400011715
Warranty Offered Yes
Width 4.0000
Operating Temperature 0°F to 200°F (-17.7°C to 93.3°C)
Package Height 7.0000
Package Length 26.0000
Package Weight 7.0000
Package Width 7.0000
Pressure Rating Max Positive: 6" W.G & Max Negative: 1" W.G.
R-Value R4.2
Maximum Temperature 200°F (93.3°C)
Weight 7.0000


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picture_as_pdf specification sheet

picture_as_pdf warranty document

picture_as_pdf msds sheet