Reverse Osmosis

Finerfilters sells reverse osmosis units for both commercial and domestic use, as well as all the parts and accessories you need to install and maintain your system.
Reverse osmosis is a reliable method for producing purified water by removing contaminants through a semipermeable membrane.
It is widely used in industries such as dentistry and aquariums. Undersink RO systems are a popular choice for homes and smaller spaces.
For reverse osmosis solutions, shop our systems with fast, UK and International delivery, or get in touch with our knowledgeable team to help you decide what’s right for you.

Our Reverse Osmosis Solutions

All of our reverse osmosis options come from leading brands in the industry. Our range has various types for different use cases, from compact tankless units to commercial systems. Our replacement filters and membranes will keep your system running optimally.

Our full range includes:

If you're new to reverse osmosis systems and unsure what you need, visit our Help Centre for expert guidance and detailed information on choosing the right products.

Explore Reverse Osmosis Solutions

Reverse osmosis is a trusted method for producing purified water across various industries and applications. Whether you need filtration for commercial, industrial, or domestic use, we provide everything required to install, maintain, and optimise your system.

As a leading supplier of RO technology and filtration solutions, our products and expert guidance will help you find the best system for your needs.

To find out more on reverse osmosis and how it works, read our latest blogs for insights into water filtration and purification.

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Our team is here to help at all times, simply get in touch.

FAQs

How does reverse osmosis work?

Reverse osmosis uses a high-pressure pump to force water through a semipermeable membrane, allowing only water to pass through while leaving contaminants like salts and bacteria behind.

What is reverse osmosis filtration used for?

Reverse osmosis removes over 99% of waterborne contaminants, making it ideal for applications that need pure water.

How long do reverse osmosis filters last?

RO membranes typically last 2 to 5 years while filters usually last between 6 and 12 months, depending on your system and usage. To maintain optimal performance, filters should be replaced annually.

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Carbon Block Water Filter | 10" x 2.5" -  5 Micron | For Drinking Water Systems
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4 Stage Compact RODI System - Aquarium RO Unit with Inline DI Resin Chamber
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Tulsion MB115 Mixed Bed DeIonising Resin / DI Resin
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Vendor: TulsionTulsion MB115 Mixed Bed DeIonising Resin / DI Resin
Sale priceFrom £5.99
RO Booster Pump Upgrade Kit with Diaphragm Pump, Pressure Gauge & Switch
-17%Pre-order
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Vendor: EChenRO Booster Pump Upgrade Kit with Diaphragm Pump, Pressure Gauge & Switch
Sale priceFrom £52.99
Reverse Osmosis Additional Membrane Upgrade Kit
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Vendor: FinerfiltersReverse Osmosis Additional Membrane Upgrade Kit
Sale priceFrom £12.99
10" x 2.5" RO Replacement Drop-In Cartridges
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Vendor: Finerfilters10" x 2.5" RO Replacement Drop-In Cartridges
Sale price£16.99
Female 3/4" BSP Tap to 1/4" Push Fit Adapter DMFit AFAB0409FP
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E-Chen EC-103-100 Diaphragm Booster Pump 100GPD for Reverse Osmosis / RO Systems
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High Pressure Replacement Switch with Push_Fit Connection
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Blanco Tap Compatible Carbon Block Drinking Water Filter
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Vendor: FinerfiltersBlanco Tap Compatible Carbon Block Drinking Water Filter
Sale price£9.99
Aqua Quality Countertop Reverse Osmosis System with Hot and Cold Water Dispenser
-45%Pre-order
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Vendor: Aqua QualityAqua Quality Countertop Reverse Osmosis System with Hot and Cold Water Dispenser
Regular price £399.99 Sale price£219.99
6 Stage Tankless RO System 800GPD with Alkaline Post Filter
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Vendor: Finerfilters6 Stage Tankless RO System 800GPD with Alkaline Post Filter
Sale price£379.99
DFT10-S RO Membrane 800GPD Replacement Element
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DFT10-HYDRO RO Membrane 600GPD Replacement Element
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DFT10 Replacement RO Reverse Osmosis Carbon Pre-Filter
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Vendor: FinerfiltersDFT10 Replacement RO Reverse Osmosis Carbon Pre-Filter
Sale price£54.99
4021 Stainless Steel Membrane Housing 4" x 21" by SPECTRUM
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Vendor: Spectrum4021 Stainless Steel Membrane Housing 4" x 21" by SPECTRUM
Sale price£87.99