JPL® MHP25B-04 4SFLX BAG

MHP series is a UL listed and labeled Class 1 flexible air duct, used in the HVAC industry as a supply and return air duct in low to medium pressure duct systems. The 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 & R8 encompass the core and a unique metalized, reinforced vapor barrier surrounds the entire duct.

JPL® 2-Ply Insulated Flexible Air Duct, Round Vent Duct, 25 ft Length, 4 in Diameter, 0.5 to 6 in-WG, Fiberglass/Polyester/Steel, Black/Sliver, R-Value: R4.2, 5000 fpm Velocity Rating, -20 to 200 deg F, 0.01 perm Vapor Transmission, Additional Information: Poly Bag Packaging