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Hi-Velocity System™ High Velocity Assembled Flexible Duct Kit, 15 ft Length, 2 in Diameter, 0.5 in-WC, 10 in-WC, Fiberglass, R-Value: R8, 5000 fpm Velocity Rating
Hi-velocity flexible duct can be installed quickly and easily, delivering the air quietly with a sound absorbing inner core. The inner core is made of a double lamination of foil laminate and clear polyester film which is interlaced with a galvanized steel wire (0.041 in) having a 3/4 in pitch. The core is wrapped with fiberglass insulation certified GREENGUARD having a coefficient of R4.2/R8.4 and is encapsulated by a metalized vapor barrier reinforced with fiberglass string.
Hi-Velocity System™ High Velocity Assembled Flexible Duct Kit, 15 ft Length, 2 in Diameter, 0.5 in-WC, 10 in-WC, Fiberglass, R-Value: R8, 5000 fpm Velocity Rating
Hi-velocity flexible duct can be installed quickly and easily, delivering the air quietly with a sound absorbing inner core. The inner core is made of a double lamination of foil laminate and clear polyester film which is interlaced with a galvanized steel wire (0.041 in) having a 3/4 in pitch. The core is wrapped with fiberglass insulation certified GREENGUARD having a coefficient of R4.2/R8.4 and is encapsulated by a metalized vapor barrier reinforced with fiberglass string.