Spiral Pipe Ductwork, HVAC - How it's Made in the U.S.A.

[@ProfairLTS]

Do you sell this machine?

[@manniegrant6745]

What machine model is this?

[@earthur7792]

Wow it's magic. I don't understand how this works.

[@TimmyYapYap]

Magic

[@michaelvillafana1677]

I don’t know how it works, but I have 3 at my job

[@senthiln9990]

how much will be the duct length ?

[@tomt9776]

usualy 3 meters

[@TheDelladog]

slow duct