Atco #031 Series 13102407 Insulated Flexible Duct, 7" Duct Size, 300" Length, 8 R-Value, Plain End Connection, Round, Polyester/Steel (Inner Core), Fiberglass (Insulation), Metallized Polyester/Fiberglass (Jacket), 6 In. Wc. (Positive), 1 In. Wc. (Negative) Pressure Rating

Color	:	Silver
Connection Type	:	Plain End
Diameter	:	7 "
Domestic/Import	:	Domestic
Duct Size	:	7 "
Finish	:	Reinforced Metallized Polyester
Flow Rate	:	5,000 FPM
Length	:	300 "
Material	:	Polyester/Steel (Inner Core), Fiberglass (Insulation), Metallized Polyester/Fiberglass (Jacket)
Pressure Rating	:	6 in. wc. (Positive), 1 in. wc. (Negative)
R-Value	:	8
Series	:	#031 Series
Size	:	7" 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, 7" Duct Size, 300" Length, 8 R-Value, Plain End Connection, Round, Polyester/Steel (Inner Core), Fiberglass (Insulation), Metallized Polyester/Fiberglass (Jacket), 6 In. Wc. (Positive), 1 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

Features R-8 fiberglass insulation for excellent thermal performance.Air-tight inner core prevents fiberglass erosion and promotes energy efficiency.Encapsulated steel wire helix resists unraveling for easier installation.Durable, tear-resistant metallized polyester jacket reinforced with tri-directional fiberglass scrim.UL 181 listed Class 1 Air Duct, complying with NFPA 90A/B, IMC, and IRC standards.Rated for air velocities up to 5,000 FPM and temperatures from -20°F to 140°F continuous.Covered by a 5-year manufacturer warranty against defects.