Filter Kit For Smart Flow Tankless RO System

Price range: £40.00 through £80.00 Incl. VAT

This replacement filter kit is designed specifically for use with our Smart Flow Tankless RO System. Available with or without the RO membrane, the kit comprises of 2 pre-filters and 2 post-filters. Changing the pre and post-filters every 6-12 months is recommended, with the RO membrane approximately every 12-36 months (depending on water quality). The most common sign the membrane needs to be replaced is a drop in flow rate or a high TDS reading on the display panel.

Product Features
  • Pre and post-filter kit for the Smart Flow Tankless RO System
  • RO membrane available to purchase separately
  • Easy to change with no plumbing experience
  • Ensures optimal system performance
Product Compatibility

This filter kit is compatible with our Smart Flow Tankless RO System only. Unfortunately, we are unable to verify compatibility with other RO systems. To ensure you choose the correct filter kit, please get in touch before placing your order.

Help & Advice
Need help or advice on which option to choose? No problem, drop us an email, start a live chat or give us a call on 01622 933 853 and we’ll be sure to help.
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Filter Kit For Smart Flow Tankless RO System
Filter Kit For Smart Flow Tankless RO System
£40.00 – £80.00Price range: £40.00 through £80.00 Incl. VAT
SKU: RO-SY8-RF Category:

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Filter Kit For Smart Flow Tankless RO System
Filter Kit For Smart Flow Tankless RO System
£40.00 – £80.00Price range: £40.00 through £80.00 Incl. VAT
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REPLACEMENT FILTER KIT

Smart Flow Tankless RO System (RO-SY8)

Suitable for our Smart Flow Tankless RO System (RO-SY8) this filter kit includes all pre and post-filters, with the option for a replacement membrane if required. By replacing the filters and RO membrane at their recommended intervals, you can ensure optimal system performance and longevity. For specific filter change intervals, please refer to the product table below. Intervals specified may vary depending on water quality and usage.

How To Change The Filters?
This filter kit includes two pre-filter cartridges, a push-fit inline carbon post-filter and a remineralising filter. Before replacing the filters, turn off the power supply and close the inlet water valve. Once the water is off, remove the top of the casing and using the spanner provided, remove the lids of the pre-filter housings to change the pre-filter cartridges (the membrane is also accessed in the same way). For full instructions on filter replacement, please refer to the product manual.

Kit ContentsChange Interval
Sediment Pre-Filter Cartridge6-12 Months ~
GAC Pre-Filter Cartridge6-12 Months ~
Inline Remineralising Post-Filter6-12 Months ~
Inline GAC Post-Filter6-12 Months ~
RO Membrane (600GPD)12-36 Months ~

Compatible Products:
Smart Flow Tankless RO System (RO-SY8)

Reverse Osmosis Solutions

We’re pleased to offer a comprehensive range of reverse osmosis solutions, from full systems to replacement membranes and accessories. Can’t find exactly what you’re looking for? Get in touch with a member of our team today.

Browse all Reverse Osmosis solutions →

Reverse Osmosis Solutions

Additional Information

Suitable For: No selection

Smart Flow Tankless RO System

Flow Rate: No selection

600GPD (2,271 Litres)

Kit Contents (Pre & Post): No selection

Sediment Pre-Filter (10" x 2.5")
Carbon Block Pre-Filter (10" x 2.5")
Inline Carbon Post-Filter (10" x 2")
Inline Remineralising Post-Filter (10” x 2”)

Kit Contents (Membrane): No selection

RO Membrane 3" x 13" (600GPD)


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Pete Cossar
7 October 2026
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Very pleased with the service. There was an issue with the water softener I ordered initially, but then following communications made the replacement process quite pleasant. Happily recommend this company. Thanks to Becky for working with me. Great follow up support 😊😊😊
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Michael Fey
2 October 2026
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Very Pleased with the services from the Sales Team
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Guy Brennan
26 September 2026
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First time using this company and product and i wasnt dissappointed. Communication was easy and quick resulted in an easy order and now having fitted the filter i can say its a great product easy to install and appears good quality apart from the four mild steel bracket screws stainless would have been better considering the environment these are fitted. All in all, very pleased and would highly recommend .
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Graham Quinn
25 September 2026
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Easy to order and fast delivery
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Steve Griggs
14 September 2026
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Excellent local company and genuinely lovely people to deal with. Really helpful and knowledgeable, with great advice about my water softener and the correct salt to use. They even gave me some resin cleaner at no charge, which was a very kind gesture. Fantastic friendly service and I’ll definitely be returning for my salt in future. Highly recommended.
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Don Carless
7 September 2026
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Excellent service. Product proved my softener was not working as it should. I fully serviced it and cleaned with Resin Clean returned to service and it is now working as designed. Very pleased.
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J P
27 August 2026
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If you're thinking about a water softener then i HIGHLY recommend Ultra Soft Water Softeners Ltd. Great softeners and exceptional customer service. The water softener I bought needed some adjustments with the installation setup where I supported throughout. The customer service is honestly next level. I had countless calls with Becky Gillett, the Sales Manager, over a period of months to get to the bottom of it. She was incredibly patient with me, staying on the phone and doing video calls to walk me through the programming instructions step-by-step while I changed the settings and ensured all was installed correctly. All the staff here have been great, but Becky really stuck with me from start to finish to make sure it was sorted and working well. It runs like a dream now. HIGHLY recommend them!
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Chris Collins
26 August 2026
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Easy to order, good prices and delivered on time. What more can you ask for.
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John L
26 August 2026
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Good rapid & efficient service
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Tony Hybel
17 August 2026
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Easy to order, quick delivery, good communication. Resclean worked a treat; one treatment cycle and soft water is back again from our 12 yr old softener!