Flexible Duct 25’ Insulated, UL 181 ,Class 1 Air D
ATCO #030, 036, and 031 are UL 181, Class 1 Air Ducts and are manufactured with a tri-directional fiberglass scrim reinforced, metalized polyester outer jacket. The inner core of all three products is air-tight and designed for low-to-medium operating pressures in HVAC systems. ATCO #036 and 031 have increased insulation for superior thermal performance. FEATURES & BENEFITS: 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 / Low operating cost. Thick Blanket of Fiberglass Insulation - Energy efficient / Excellent thermal characteristics Tough Reinforced Metallized Polyester Jacket - Tear and puncture resistant / Low maintenance. Lightweight Compact Carton - Reduces warehouse and Jobsite handling cost.