A UL 181 Class 1 Air Connector constructed of a triple lamination of metallized polyester, aluminum foil and polyester film, encapsulates a steel wirehelix.
CODE COMPLIANCE
Recommended Operating Pressure:
-6" w.g. positive - all diameters
-3/4" negative - all diameters Maximum Velocity : 5,000 FPM Operating Temperatures Range : High 82deg.C internal,Low 12deg.C external Standard Length : 25Ft Standard Diameters : 4 "- 20"
