Atco #080, 086 and 088 are UL 181, Class 1 air ducts and are manufactured with a durable black polyethylene jacket. The inner core of all three products is air tight and designed for low to-medium operating pressures in HVAC systems. Atco #086 and 088 have increased insulation for superior thermal performance. A double lamination of tough polyester which encapsulates a steel wire helix forms the air tight inner core of the Atco #080, 086 and 088. The double-layer core of each product is wrapped in multiple thicknesses of fiberglass insulation. All three products are sheathed in a durable polyethylene jacket.
Atco Insulated Flexible Duct, 25 ft Length, 18 in Diameter, Polyethylene, Black, R-Value: 4.2, 5000 fpm Velocity Rating
|Velocity Rating||:||5000 fpm|