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ATCO - 4" x 25' UFC 2-Ply Uninsulated Air Connector

Item: FD-4X25-UI
MFR: 05502504

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About This Product

Product Info


ATCO - A UL 181 Class 1 Air Connector, constructed of a double lamination of tough metallized polyester film, encapsulated a steel wire helix.
Warning: this product contains a chemical known to the State of California to cause cancer.


Weight1.834 Pounds (lbs)
Width10 Inches (In)
Height10 Inches (In)
Country of OriginUSA
Length10 Inches (In)
ApplicationAir Distribution
ComplianceUL 181 Air Connector, ICC Codes
Core MaterialPolyester/Wire Helix Core
FeaturesPlain Ends
Fire RatingFlame Spread: 25 max, Smoke Developed: 50 max
Inside Diameter4"
Jacket MaterialPolyester
Maximum Air Flow5000 FPM
Maximum Pressure10" W.G.
Maximum Temperature180°F (82.2°C)
Operating Temperature-20°F to 180°F (-28.8°C to 82.2°C)
Pressure Rating6" w.g. - 4" thru 12" Dia., 4" w.g. - 14" thru 20" Dia.
Prop 65Yes
Size4" x 25'
UL ListedYes
Vapor Transmission0.05 Perms
Warranty OfferedYes


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