Any guesses? Over one third of membrane separation requests that we receive are in search of nitrogen generation. PRISM membrane separators are used in a variety of nitrogen generation applications such as fuel tank inerting, food preservation, and tire inflation. We offer over 10 different sizes of nitrogen membrane products ranging from 1 inch in diameter by 1 foot long to 8 inches in diameter by 10 feet long. With multiple fiber types and shell materials, our PRISM Membrane separators can be relied upon for numerous nitrogen generation applications.