The 050 12" x 25' Non-Insulated Flex Duct is a Class 1 UL-listed flexible air connector used in HVAC air distribution systems. Manufactured by ATCO Rubber Products, it features a durable triple-ply construction with an encapsulated wire helix for easy installation, low friction airflow, and reliable performance in residential and commercial HVAC applications.
Product: Insulated Flexible Duct / Air Connector
Manufacturer: ATCO Rubber Products
Model / Part Number: 050_12X25FT
Size: 12 inch diameter
Length: 25 ft roll
Insulation: Non-Insulated
Construction: 3-ply laminated polyester / aluminum foil
Inner Core: Encapsulated steel wire helix
Air Velocity Rating: Up to 5,000 FPM
Temperature Range: -20°F to 180°F
Pressure Rating: Up to 6 in. WG positive pressure (10 in. WG UL rating)
End Type: Plain End
Fire Rating: UL 181 Class 1; Flame Spread ≤25, Smoke Developed ≤50
Standards: UL 181, NFPA 90A, NFPA 90B
Application: HVAC supply/return air connections, branch duct connections
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