Nitrogen Engineers supplies premium-grade Carbon Molecular Sieves (CMS) engineered for Pressure Swing Adsorption (PSA) nitrogen generators. With uniform micropore structure and precise pore size control (~0.3–0.4 nm), these sieves selectively adsorb oxygen and impurities, allowing continual nitrogen delivery at purities from 98% up to 99.999% Constructed for high mechanical strength... https://www.nitrogenengineers.com/carbon-molecular-sieves.php