Hercules Product Info 
Hercules Product IdIFP12R8
Product DescriptionDUCT AIR FLEX 12IN 25FT 5000FPM R8 DOM
Unit of MeasureFT
Manufacturer Info 
Manufacturer NameJP Lamborn
Brand NameJPL
Part NumberPR25R8B-12
Product UPC814400014785
Product DescriptionJPL PR25R8B-12 Insulated Flexible Air Duct, 12 in ID x 25 ft L, 5000 fpm Flow Rate, R8 Insulation, Fiberglass/Polyethylene/Pigmented Polyester, Domestic
Product Features
PR-25 (25 ft length) 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 and R8 encompass the core and a black polyethylene vapor barrier surrounds the entire duct.
Applications: Indoor Applications
Formaldehyde-free
3/8 in oversize inner core
Certified R-values
Fiberglass insulation, polyethylene vapor barrier and pigmented polyester inner core material
Product Documents 
Document TypeDownload Link
Specification SheetIFP12R8_Specification Sheet (pdf)
Warranty InformationIFP12R8_Warranty Information (pdf)
Product Specifications 
Domestic/Import Domestic
Finish Black
Flow Rate 5000
Inside Diameter 12 in
Insulation Value R8
Length 25 ft
Material Fiberglass/Polyethylene/Pigmented Polyester
Pressure Rating -0.5 to 6 in-WG
Series PR-25
Temperature Rating -20 to 140 deg F
Type Insulated
Vapor Transmission 0.19 perm
Certifications ADC Test FD-72R1|ASTM E96A-94|California Insulation Manufacturer File No. TD-1092|GreenGuard Gold Certification|HARDI Approved|IMC Approved|NFPA 90A/90B|UL 181 Class 1 File No. MH11637|UMC Approved
Country of Origin US