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. MHP is made in 25', 45', and 50' lengths.
JPL® Flexible Air Duct, MHP Series, Round Vent Duct, 25 ft Length, 12 in Diameter, 6 in-WG, Fiberglass/Polyester/Steel, Black/Silver, R-Value: R8, 5000 fpm Velocity Rating, -20 to 200 deg F, 0.01 perm Vapor Transmission