4.83 out of 5 based on 6 customer ratings
(6 customer reviews)

£49.00 £23.99 (Inc VAT)



Sanitize and replace your reverse osmosis filters annually with this superbly priced set of water2buy™ genuine filters.

It is important to replace the complete set of filters with genuine water2buy filters every year to make sure your system keeps your water pure.

With our simple colour coded fitting guide replacing your filters is a quick and painless process!

This handy boxset comes with the complete 4-filter set (Excludes Membrane) to ensure that you continue to have safe clean drinking water.

Included is a guide on how to replace the filters in your system. The guide is also downloadable on this page for your convenience.

We recommend the use of AquaDosa sanitizer (Available on the weater2buy website) to sanitise the filter housings during filter replacement.

Watch the 5 minute video on this page that demonstrates filter replacement and a simple service on your reverse osmosis system.

PP Sediment filter:
A 5 Micron Sediment Filter.
Made of 100% Pure Polypropylene Fibers.
This filter reduces sediment, dirt, sand, silt, rust, limescale.
Recommended replacement: Every 12 months.
Size: 2.5″ x 10″.

GAC Granular Activated Carbon Filter:
A Granular Activated Carbon Filter Composed of High – Performance Activated Carbon.
Removes Free Chlorine, Odour, Organic Contaminants, Pesticides and Chemicals.
Recommended replacement: Every 12 months.
Size: 2.5″ x 10″.

CTO Carbon Block Filter:
5 Micron nominal filtration.
High lead adsorption at high and low pH.
Removes Trihalomethanes, Pesticides, Volatile Organic Chemicals and 99.95% of Giardia and Cryptosporidium Cysts.
Excellent for final polishing of drinking water where lead is a concern.
Designed to be used in most standard-size housings.
High chlorine taste and odor reduction, high chlorine elimination capacity.
Recommended replacement: Every 12 months.
Size: 2.5″ x 10″.

Incline/ Taste and Odor Filter:
Helps to further reduce taste and odor from water.
Recommended replacement: Every 12-24 months.


6 reviews for Annual Reverse Osmosis Filter Replacement Set

  1. Rated 5 out of 5


    Many thanks. Product delivered very fast but I’m missing one think. I’m no plumber and think I miss here is simple instructions STEP BY STEP how to change filters. Do I have to switch off water supply? I don’t want to cause any damage to my system especially that it wasn’t me who installed it in the first place. Many thanks water2buy Reply Thanks for the feedback. Sorry you had some trouble, we’ve made a video to demonstrate how you install your reverse osmosis replacement filters. All the best!

  2. Rated 5 out of 5

    Lee Winters – Ballinacarrick

    Installed in myself easy

  3. Rated 5 out of 5

    Dimitris Styliau – Strovolos

    DIY Yearly Reverse Osmosis Filter Replacement Set

  4. Rated 4 out of 5

    Stewart Smith – Athenry


  5. Rated 5 out of 5

    Dimitris Stylianou –

    DIY Yearly Reverse Osmosis Filter Replacement Set

  6. Rated 5 out of 5

    brent williams – london

    I have bought all my water softeners and RO systems from these guys products are brilliant and there service is brilliant would recommend these guys to anyone.

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Additional Information

Additional information

Weight 1285 kg
Dimensions 5.5 x 30 cm