CustomAIR Ducting System is a comprehensive AutoCAD drafting utility for drawing the CustomAir spiral duct and fittings (2-D only).

All components in the CustomAIR Ducting System catalog are included with a full range of standard sizes, custom sizes, end connections and various options. Both round and flat oval duct systems fittings are included for both single wall and double (insulated) wall types.

CustomAIR Ducting System features fully customizable units (Metric/English), user defined layer system, text size and font.