A UL 181 Class 1 Air Connector, constructed of a double lamination of tough metallized polyester film,encapsulated a steel wire helix.
CODE COMPLIANCE
Recommended Operating Pressure: 2" w.g. positive ; 1/2" w.g.negative Maximum Velocity: 2,000 FMP Standard Length: 25 Ft. Standard Diameters: 4" - 20"
*This duct can be insulated on order.
