20" x 25' MHP R4.2 Insulated Silver Flex Duct - Box

Product Highlights

MHP 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 co
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Item #: 21419

Mfg #: MHP25-20

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Description

Product Highlights

MHP 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.

Features
  • 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

Specifications
Weight35.00 Pounds
Length30.00 Inches
Width20.00 Inches
Height20.00 Inches
Country of OriginUSA
BrandJP Lamborn
R-ValueR4.2
Jacket Material2 Ply Reinforced Metalized Polyester
Vapor Transmission0.01 US Perms
ApplicationFlexible Ducting
CertificationsUL-181
ColorGray
CompositionPolyester Film, Wire, & Insulation
Core Material2-Ply Polyester
Fire RatingCLASS 1 AIR DUCT
Inside Diameter20"
InsulatedYes
Maximum Air Flow5,000 FPM
Maximum Pressure4" W.G.
Maximum Temperature200°F (93.3°C)
Operating Temperature0°F to 200°F (-17.7°C to 93.3°C)
Pressure RatingMax Positive: 4" W.G & Max Negative: 1/2" W.G.
Size20" x 25'
Warranty OfferedYes
ComplianceUL 181, NFPA 90A & 90B, UMC & IMC
UL ListedYes
UL RecognizedYes
Documentation

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