OSUS Membrane elements, also known as RO filters, are among the finest in the industry. Our membranes, offered in Reverse Osmosis Thin Film (RO Membranes), CTA/CAB, Ultrafiltration, Nanofiltration, Microfiltration, and Special Application membrane materials are of the highest quality with performance comparable to most major brands. With hundreds of thousands of membranes in operation world-wide, we offer these in a large range of both residential and commercial sizes.
OSUS Membranes are Made in the USA in our ISO 9001:2015 Certified Facilities. For over 30 years OSUS Membrane elements have earned the reputation of consistent quality.
OSUS is also a large stocking distributor for DOW FilmTec, Hydranautics, Toray, Inge, and Lanxess membrane elements.