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Atco 070, 076 and 078 are UL 181, class 1 air ducts and are manufactured with a tri-directional fiberglass scrim reinforced, grey polyester outer jacket. A double lamination of tough polyester which encapsulates a steel wire helix forms the air-tight inner core of the Atco 070, 076 and 078. The double-layer core of each product is wrapped with a thick blanket of fiberglass insulation. The inner core of all three products is air-tight and designed for low to medium operating pressures in HVAC systems. Atco 076 and 078 have increased insulation for superior thermal performance.
Atco Flexible Duct System, Series: 076 Series, 9 in Duct, 25 ft Length, 9 in Dia, 6 in-WG, Polyester, Gray, R-Value: R6, 5000 fpm, -20 to 140 deg F, 0.6 perm Vapor Transmission
| Color | : | Gray |
| Diameter | : | 9 in |
| Duct Size | : | 9 in |
| Length | : | 25 ft |
| Material | : | Polyester |
| Pressure Rating | : | 6 in-WG |
| R-Value | : | R6 |
| Series | : | 076 Series |
| Temperature Rating | : | -20 to 140 deg F |
| Vapor Transmission | : | 0.6 perm |
| Velocity Rating | : | 5000 fpm |