6″x 25′-R8 Insulater Silver Flex Duct

Sku: 505530-8


$86.16 $86.16

6″x 25′-R8 Insulated Silver Flex Duct, Boxed

Atco #031 is UL 181, Class 1 Air duct and is manufactured with a tri-directional fiberglass scrim reinforced, metallized polyester outer jacket. The inter core of the product is air-tight and designed for low-to medium operating pressures in HVAC systems. Atco #031 has 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 Atco #031. The double-layer core of this product is wrapped in multiple thicknesses of fiberglass insulation.The duct is sheathed in a rugged and durable tri-directionally reinforced, metallized polyester jacket.


  • Air-Tight Inner Core
  • Encapsulated Wire Helix
  • Smooth Inner Core
  • Thick Blanket of Fiberglass Insulation
  • Tough Reinforced Metallized Polyester Jacket
  • Lightweight Compact Carton

Additional information

Weight 20 lbs

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