About PermSelect

PermSelect-MedArray is an emerging market contender in gas exchange solutions using our platform silicone membrane technology. We are a dynamic membrane technology company located in Ann Arbor, Michigan, that manufactures silicone membrane gas exchangers used in applications ranging from cell culture bioreactors and medical devices, to biogas upgrading, pollution control, and industrial gas separations.   We currently offer our PermSelect® gas exchangers in seven standard sizes: 10, 100, 1000 and 2,500 centimeter square, 0.75, 1.0 and 2.1 meters square. 

We are committed to providing our customers a unique and simple solution for their gas transfer processes.  Please contact us to discuss your specific application.

Our mission is:

"To enable and contribute to the improvement of processes involving gas transfer by providing our customers accessible membrane technology."

Please view our Quality Policy and our Environmental Policy online.