ControlAir Inc. is a leading manufacturer of precision air pressure regulators,
I/P transducers, E/P transducers, P/I transducers and frictionless diaphragm air cylinders.
Devices available include: 
* Electronic air pressure regulators (I/P transducers, E/P transducers)
* Precision air regulators
* Pressure to current transmitters (P/I transducers)
* Volume boosters
* Air filter regulators
* Motorized pressure regulators
* Frictionless rolling diaphragm air cylinders
* Custom pneumatic devices