Atco #031 Series 13102414 Insulated Flexible Duct, 14" Duct Size, 300" Length, 8 R-Value, Plain End Connection, Round, Polyester/Steel (Inner Core), Fiberglass (Insulation), Metallized Polyester/Fiberglass (Jacket), 4 In. Wc. (Positive), 0.75 In. Wc. (Negative) Pressure Rating

Color	:	Silver
Connection Type	:	Plain End
Diameter	:	14 "
Domestic/Import	:	Domestic
Duct Size	:	14 "
Finish	:	Reinforced Metallized Polyester
Flow Rate	:	5,000 FPM
Length	:	300 "
Material	:	Polyester/Steel (Inner Core), Fiberglass (Insulation), Metallized Polyester/Fiberglass (Jacket)
Pressure Rating	:	4 in. wc. (Positive), 0.75 in. wc. (Negative)
R-Value	:	8
Series	:	#031 Series
Size	:	14" Diam x 25' L
Temperature Rating	:	-20-140 °F (Continuous, Max Pressure)
Vapor Transmission	:	0.05 perms
Velocity Rating	:	5,000 FPM
Vent Duct Shape	:	Round

Atco Insulated Flexible Duct, Model: #031 Series, 14" Duct Size, 300" Length, 8 R-Value, Plain End Connection, Round, Polyester/Steel (Inner Core), Fiberglass (Insulation), Metallized Polyester/Fiberglass (Jacket), 4 In. Wc. (Positive), 0.75 In. Wc. (Negative) Pressure Rating, -20-140 °F (Continuous, Max Pressure), 5,000 FPM, 0.05 Perms Vapor Transmission, Reinforced Metallized Polyester Finish, Silver, Domestic Origin

UL 181 listed as a Class 1 Air Duct suitable for low-to-medium pressure HVAC systems.Features an R-8 fiberglass insulation blanket for excellent thermal efficiency.Airtight double-layer polyester inner core prevents fiberglass erosion into the airstream.Smooth inner core design minimizes air friction loss and reduces operating costs.Encapsulated steel wire helix allows for easy cutting without unraveling during installation.Tough, tear-resistant reinforced metallized polyester jacket ensures durability and low maintenance.Covered by a 5-year manufacturer warranty.