ESP 20062010015 HEX15FT ASSEMBLED HE FLEX DUCT R4.2

Hi-Velocity System™ Flexible Duct, HE Series, Round Vent Duct, 15 ft Length, 5-1/2 in Diameter, 10 in-WC, Polyester Film/Steel Wire, 65 cfm Flow Rate, R-Value: R-4.2, 5000 fpm Velocity Rating, Additional Information: Fiberglass Insulation

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) having a 3/4 in pitch. The core is wrapped with fibreglass insulation certified "greenGUARD" having a coefficient of R4.2/R8.4 and is encapsulated by a metalized vapour barrier reinforced with fibreglass string.