Atco 070 Series 17002418 Insulated Flexible Duct, 18 in Dia, 25 ft L, R-4.2, 4 in-WG, Polyester

Atco 070, 076 and 078 are UL 181, Class 1 air ducts and are manufactured with a tri-directional fiberglass scrim reinforced, gray 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 Insulated Flexible Duct, 25 ft Length, 18 in Diameter, 4 in-WG, Polyester, Gray, R-Value: R-4.2, 5000 fpm Velocity Rating, -20 to 140 deg F, 0.6 perm Vapor Transmission

• Air-tight inner core - energy efficient/no fiberglass erosion into air stream
• Encapsulated wire helix no unraveling when cut to length, quick installation
• Smooth inner core - low friction loss, lower operating cost
• Highly-resistant to mold growth
• Tough reinforced gray polyester jacket - tear and puncture-resistant/low maintenance
• Lightweight compact carton - reduces warehouse and jobsite handling cost
• Formaldehyde-free - made with Owens Corning EcoTouch insulation

• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Atco_17002410_Specification_Sheet.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Atco_17002410_Specification_Sheet.pdf