(25’ length) 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.


SKU Description Prod Info Price/Units Quantity
IFM4R8 4" MET FLEX 25' MHP25R8B(GRN) Product_Details FT
IFM5R8 5" MET FLEX 25' MHP25R8B(GRN) Product_Details FT
IFM6R8 6" MET FLEX 25' MHP25R8B(GRN) Product_Details FT
IFM7R8 7" MET FLEX 25' MHP25R8B (GRN) Product_Details FT
IFM8R8 8" MET FLEX 25' MHP25R8B (GRN) Product_Details FT
IFM9R8 9" MET FLEX 25' MHP25R8B (GRN) Product_Details FT
IFM10R8 10" MET FLEX 25' MHP25R8B(GRN) FT
IFM12R8 12" MET FLEX 25' MHP25R8B(GRN) FT
IFM14R8 14" MET FLEX 25' MHP25R8B(GRN) FT
IFM16R8 16" MET FLEX 25' MHP25R8B(GRN) FT
IFM18R8 18" MET FLEX 25' MHP25R8B(GRN) FT
IFM20R8 20" MET FLEX 25' MHP25R8B(GRN) FT