About us Membrana operates it´s business in two segments: Healthcare and Industrial & Specialty Filtration.In the Healthcare segment we supply a complete range of membranes for all blood treatment methods. The Industrial & Specialty Filtration segment develops and manufactures membranes that are integrated into filtration devices by OEMs. Additionally, specialized hollow fiber membranes are also forward integrated by Membrana into Liqui-Cel® Membrane Contactors for dissolved gas control and into Liqui-Flux® Ultrafiltration and Microfiltration Modules. Polymer carriers systems are also supplied from the Industrial & Specialty Filtration segment. For over 40 years, Membrana has been applying its expertise to the research, development and production of highly specialized membrane solutions.