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FilmTec - Dow membranes

Partial list of Filmtec membranes can be found on this page. Don’t see what you’re looking for? Let us know!

FilmTec Corporation is a subsidiary of The Dow Chemical Company and part of the Dow Water & Process Solutions business. The company makes high-quality DOW FILMTEC’s reverse osmosis and nanofiltration products that USA-RO distributes for the home drinking water applications.


Partial list of Hydranautics membranes can be found on this page. Don’t see what you’re looking for? Let us know!

Hydranautics’ continuing commitment to research and technology results in the ongoing development of a range of specialized membrane products. Hydranautics’ products are currently in use on seven continents throughout the world for such diverse applications as potable water, boiler feedwater, industrial process water, wastewater treatment, surface water treatment, seawater desalination, electronic rinse water, agricultural irrigation and pharmaceuticals.

Hydranautics is the first membrane manufacturer to meet the highest quality standards with ISO 9001 Quality System Certification.


Partial list of GE membranes can be found on this page. Don’t see what you’re looking for? Let us know!

GE Offers Twist & Lock Convenience

You can replace filters and membranes in seconds with the GE Twist & Lock design. Just twist the filter a quarter turn and it locks into place. No tools are needed and there’s no mess. Look for the Twist & Lock logo on GE packaging.

Features & Benefits

GE’s hydrophilic membranes for filtration include: polycarbonate and polyester, nylon, nitrocellulose-mixed esters, polyethersulfone, cellulose acetate and silver membranes

Filters for prefiltration or high dirt-loading capacity include: glass fiber with or without binding, and polypropylene prefilters, which are often used for removing large particulates from solutions before utilizing the smaller pore-sized membranes

Hydrophobic membranes include: Teflon ® with or without a supportive backing; and nylon, with an internally supported web and polypropylene membranes. PVP-free PCTE (polycarbonate) from GE, which is slightly hydrophobic, is included under the hydrophilic membranes


Partial list of Toray membranes can be found on this page. Don’t see what you’re looking for? Let us know!

Over 30 years of production experience, thousands of high-performing RO plants throughout the world are the foundation of the excellent reputation that TORAY membrane products have.

Today, Toray’s product line includes a full range of state-of-the-art cross-linked polyamide composite membranes manufactured under ISO-9001 certification. The two categories of Toray membranes that USA-RO carries are: Toray Brackish Water Membranes and Toray Seawater Membranes.


Partial list of Koch membranes can be found on this page. Don’t see what you’re looking for? Let us know!

Koch focuses on development of the best Reverse Osmosis membranes filtration systems. Koch is fully certified and adheres to the strictest quality control, environmental, and safety standards in the field. ISO 9001, an international standard that sets requirements for an organization’s quality management system, signifies their methodical approach to quality management in order to meet customers’ expectations for excellence and regulatory requirements.