Air Duct 
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Our plant in Lombard, Illinois


Introducing...

The BEST self-sealing spiral duct system available!

Reducer@AirDuctMFG.com Coupler@AirDuctMFG.com Tee@AirDuctMFG.com
Click each picture for a larger view
Can be used with nearly any spiral pipe!
Reduces labor costs on the job site by as much as 40%!