Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.


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Nimbus Desalinator Reverse Osmosis Water Filters ®

Nimbus Desalinator Reverse Osmosis Water Filters ®

Nimbus ® Water Systems Series CS-1, CS-2 and CS-3 Reverse Osmosis Filtration Systems

Nimbus ® * Compatible Sediment Pre Filters, Carbon Filters and Reverse Osmosis Membranes


Nimbus CS-1 Series Desalinator Reverse Osmosis Filtration System

Nimbus CS-2 Series Desalinator Reverse Osmosis Filtration System

Nimbus CS-3 Series Desalinator Reverse Osmosis Filtration System

Nimbus Standard 4 Stage Desalinator Reverse Osmosis System

CTA Membranes are officially discontinued.  It is easy to update your system to the superior TFC/TFM (thin film composite - thin film membrane) high performance menbranes.  You will need to upgrade your sediment pre filter to a carbon pre filter.  TFC-TFM membranes are chlorine intolerant and require a carbon pre filter or KDF pre filter to remove the chlorine prior to contact with the membrane.  Then chose your desired membrane GPD rate and matching flow restrictor.  That's it.  For more on upgrading your CTA (cellulose triacetate) membrane  see Membrane Upgrading.

Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.

* Nimbus Desalinator is the registered trademark of Nimbus, the manufacturer of Nimbus brand of under counter drinking water system filtration equipment. The replacement water filter cartridges, reverse osmosis membranes, water tanks, faucets and repair parts listed above are not manufactured or endorsed by Nimbus. Rather, these replacement filters, RO reverse osmosis membranes and DIY replacement parts are manufactured by other companies. While these replacement water filters, repair parts and reverse osmosis membranes are compatible for use in Nimbus Desalinator under counter reverse osmosis water filtration equipment, we make no representation as to whether using these water filter cartridges and RO reverse osmosis membranes is consistent with the warranty and specifications applicable to Nimbus under sink drinking water system equipment.  Daily shipping to Malta.