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Reverse Osmosis Membranes

Reverse Osmosis Membranes for Water Filtration Systems

Nalco Pretreatment Solutions (PTS) is an authorized distributor of Dow FILMTEC™ reverse osmosis (RO) membranes for industrial and commercial water filtration systems. RO membranes for home RO systems are sold only to residential water treatment dealers, plumbers or well drillers.

Some typical industries and applications for which Nalco PTS supplies RO membranes include:

  • Desalination for brackish water
  • Commercial/industrial water treatment
  • Beverage industry
  • Pharmaceutical industry
  • Chemicals industry
  • Semiconductor industry
  • Boiler feedwater
  • Thermal plants
  • Car washes
  • Municipal/potable water

Nalco PTS supplies Dow FILMTEC™ Industrial / Commercial RO membranes in these sizes:

  • 8" x 40" Brackish water
  • 4" x 40" Commercial/light industrial
  • 2.5" x 40" Commercial /light industrial

Popular FILMTEC™ RO membranes used by Nalco PTS customers:

The following RO membranes are identified by their diameter and length.

Brackish Water:

Commercial/Light Industrial

Low Energy Brackish Water

Low Energy Commercial/Light Industrial

Fouling Resistant

Home Drinking Water

RO Membrane Replacement Benefits

Nalco PTS offers new and replacement RO membranes for preventive maintenance and to keep equipment running at an efficient rate. Regular RO membrane cleaning or replacement is important to keeping your total cost of ownership for your system low. RO membrane cleaning is available through Nalco PTS Membrane Cleaning Service.


How Can We Help?
Looking to service, replace, expand, or improve your water pretreatment system? Need supplies or replacement parts for your pretreatment water equipment? Let Nalco PTS help you find what you're looking for or contact Nalco for further assistance with all of your water pretreatment system needs.
About Pretreatment Solutions
Nalco Pretreatment Solutions (PTS) is a leading manufacturer and supplier of services, systems and supplies for industrial and commercial water pretreatment systems for treating process water, product water, boiler pretreatment, and drinking water.
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