By Ecosoft

Ecosoft Reverse Osmosis Replacement Filters – 5 or 6 Stage

Buy replacement filters for your reverse osmosis system right here. Filters catch the harmful particles in your water and, over time, become saturated and full. Then, they become less efficient, and the contaminants start to come through. Changing your reverse osmosis filter cartridges regularly will keep your water clean and fresh.

€95.00 - €120.00
Tax included.
4 Stage: PP Sediment Filter (1 micron)
Stage: 5 Stage (without Mineralizer Filter)
Regular price €95.00
Regular price Sale price €95.00
Ecosoft Reverse Osmosis Replacement Filters – 5 or 6 Stage | Bundle | Celtic Water Solutions
Regular price €95.00
Regular price Sale price €95.00

This is a universal replacement filter set for all standard under sink reverse osmosis systems that use 10” x 2.5” filter sizes. For most under sink RO systems, this is the most common industry standard filter size.

Our RO replacement filter set is compatible with all standard 50 GPD reverse osmosis systems such as Ecosoft, PurePro, Supreme, Proline Plus, Pallas, Platinum Wasser, EirSoft, AquaSoft RO Systems, Perfect Water Systems and many more.

Based on our client needs, we have added options to customize this water filter set to suit either 5 Stage or 6 Stage RO system.


Stage 1

PP Sediment Filter (5 microns) reduces the contents of sand, silt, scale and other insoluble compounds.

Stage 2

Carbon Block Filter (10 Microns) reduces chlorine, the concentration of toxic heavy metals, THMs, and natural organic matter.

Stage 3

Option 1: PP Sediment Filter (1 micron) reduces contents of sand, sludge, scale and other insoluble compounds exceeding the size of 1 micron.

Option 2: Granulated Activated Carbon (GAC) for removal of chlorine, taste, odours and oil products.

Stage 4

RO membrane removes over 99% of contaminants such as fluoride, heavy metals like lead, PFAs,

Stage 5

Post Carbon filter enhances the taste & appearance of filtered water

Stage 6

Mineralizer filter adds healthy minerals like calcium back into filtered water and adjusts pH.

Replace RO Filters Regularly

Reverse osmosis systems require regular filter changes to protect the membrane and ensure clean water. Problems relating to decreased performance and constant drain water may also be solved by replacing your filters.

It is recommended to replace the water filter cartridges on your RO System at least once a year, regardless of the volume of water consumed.

Note: These replacement filters are compatible with reverse osmosis filters from many other manufacturers. Contact us if unsure.

Annual Service for Filter Change

Celtic Water Solutions also offers you the option to have your filter systems filters be replaced by one of our experienced technicians. This is the perfect option for those who are uncomfortable replacing the filters on their own.

This service is already offered to all our existing customers. So, even you bought a water filtration system from another company and are not happy with the quality of service or in instances where they have ceased trading, feel free to book a service from Celtic Water Solutions.

If you are interested in having one of our technicians come to your home or business site to have your filters replaced, please use this link to contact us and we will get back to you with more information.

Book A Service