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Osmio Water

Osmio Water Filters, Softeners & Purifiers

Osmio Water Filters, Reverse Osmosis Systems & Water Softeners

Discover our complete selection of premium Osmio water treatment equipment at Regal Flow. From smart, compact countertop reverse osmosis appliances and fitted under-sink filtration lines to high-efficiency digital water softeners, direct-flow tri-flow kitchen taps, and UV sanitizers, we supply the genuine systems and replacement media required to preserve your home's water purity.

Shop Osmio Products Browse Water Softeners Browse Water Purifiers
Fast, Free Delivery

Enjoy quick dispatch options across our selected core Osmio stock lines.

Expert Support Team

Receive comprehensive technical advice on selecting the right water system setup.

Price Beat Guarantee

Found a system cheaper elsewhere? Speak directly with our sales desk.

Complete Solutions

One structural destination for RO filters, softeners, taps, and media spares.

Shop Osmio By Product Type

The Osmio catalog addresses distinct water challenges. Whether you want to eliminate aggressive scale buildup, polish drinking water quality at the tap, or treat your entire incoming mains supply, select an application profile below to explore targeted solutions.

Reverse Osmosis

Osmio RO Systems

Premium standalone countertop elements and built-in under-sink systems engineered for ultra-pure drinking water performance.

View Osmio RO Systems
Hard Water Setup

Osmio Water Softeners

Intelligent digital metered softening lines built to neutralize limescale formation and shield your plumbing network.

View Osmio Softeners
Whole Home Treatment

Whole House Filtration

Comprehensive multi-stage filtration solutions that treat your home's incoming water before it arrives at any tap or appliance.

View Whole House Filter
Kitchen Hardware

Osmio Tri-Flow Taps

Elegant three-way kitchen taps that route hot, cold, and freshly filtered water through a single, space-saving design.

View Osmio Taps
System Upkeep

Replacement Filters

Original replacement cartridges and filter packs designed to maintain the performance of your Osmio purification system.

View Replacement Filters
UV Sterilisation

UV Water Treatment

Advanced ultra-violet disinfection chambers configured to target and eliminate microbial contaminants without chemicals.

View UV Steriliser

Which Osmio System Fits Your Home Profile?

To choose the right system, identify your primary water issue. If your goal is pristine, contaminant-free drinking water, an Osmio Reverse Osmosis system is the ideal choice. If hard water minerals are causing limescale buildup on fixtures and heating elements, choose an Osmio Digital Water Softener. For a complete solution that protects your entire home, a Whole House Filtration line treats all incoming water before it reaches your taps and appliances.

Osmio Reverse Osmosis Showcase

Osmio Zero 2.0 Countertop Reverse Osmosis System

Countertop RO

A smart, portable reverse osmosis system that delivers purified drinking water with adjustable temperature controls, requiring zero plumbing installation.

  • Plug-and-play installation—no under-sink pipe modifications required.
  • Provides ambient, warm, or hot water on demand.
  • An ideal choice for tenants, apartments, or flexible kitchen spaces.
View Osmio Zero 2.0

Osmio Fusion Installed Reverse Osmosis System

Installed RO

An integrated under-sink reverse osmosis system designed for seamless connection to your cold water supply line and dedicated dispensing taps.

  • Neat under-sink placement to maximize countertop workspace.
  • Direct configuration routes through dedicated or tri-flow taps.
  • Delivers a continuous supply of purified water for cooking and drinking.
View Osmio Fusion

Osmio Digital Metered Water Softeners

Protect your heating elements, plumbing, and home appliances with Osmio's selection of compact and high-capacity digital ion-exchange water softeners.

Osmio 9L Digital Water Softener

Compact Homes

A compact, space-saving water softener designed for smaller homes and apartments with tight installation footprints.

View Osmio 9L

Osmio 20L Digital Water Softener

Medium Households

A mid-sized metered water softener designed to match the daily water demands of average family households.

View Osmio 20L

Osmio 30L Digital Water Softener

Larger Properties

A high-capacity digital softening system built for large, multi-bathroom homes experiencing high water demand.

View Osmio 30L

Ruby 12L Luxury Digital Water Softener

Luxury Line

A premium digital softener that combines efficient salt use with advanced controls and a sleek cabinet design.

View Ruby 12L

Ruby 8L Luxury Digital Water Softener

Compact Premium

A smaller luxury softening option built to fit standard kitchen cupboards while maintaining excellent hard water treatment.

View Ruby 8L

Osmio Whole House Filtration Systems

The Osmio PRO III XL Whole House Filter System provides comprehensive mechanical and chemical filtration for your entire property. By removing chlorine, heavy metals, volatile compounds, and sediment at the main water entry point, it delivers cleaner water to every shower, bath, and tap in your home.

View Osmio PRO III XL

Genuine Replacement Filters

Keep your filtration systems running efficiently with our genuine replacement filter packs. We stock standard replacement cartridge bundles for the Osmio Zero 2.0 and Osmio Fusion lines to ensure consistent water clarity and performance.

View Replacement Filters

Osmio 3-Way Tri-Flow Kitchen Taps

Upgrade your sink setup with a premium kitchen tap that combines standard hot and cold mixer lines with an independent internal path for filtered water.

Azzurra Breve 3-Way Tri-Flow Tap

A classic, curved tap featuring a flexible pull-out neck for added convenience at the sink.

View Azzurra Breve

Azzurra 3-Way Tap Spray Hose

A professional-style mixer tap with a dual-function spray head, perfect for multitasking in modern kitchens.

View Azzurra Spray Hose

Bella 304 Stainless Steel Tap

Built from durable, solid 304-grade stainless steel to ensure long-term reliability and a premium finish.

View Bella Stainless Steel

Bella Chrome 3-Way Mixer Tap

A polished chrome mixer tap designed to coordinate seamlessly with standard kitchen fixtures and appliances.

View Bella Chrome

Advanced UV Water Sterilization

For applications requiring reliable protection against biological contaminants—such as private wells, boreholes, or rainwater harvesting networks—the Lightbest UV12 45 LPM Sterilizer System (55W) provides chemical-free water treatment. It neutralizes up to 99.9% of bacteria and viruses without altering the taste or odor of your water supply.

View Lightbest UV12

System Comparison & Application Matrix

Product Category Primary Application Profile Key Target Impurities Addressed
Countertop Reverse Osmosis Portable, point-of-use pure drinking water treatment. Chlorine, heavy metals, fluoride, microplastics, bacteria, dissolved solids.
Under-Sink Reverse Osmosis Fitted, high-output drinking water filtration. Lead, chlorine residues, organic chemicals, microscopic contaminants.
Digital Water Softeners Whole-property limescale prevention and appliance protection. Hard water minerals (excessive calcium and magnesium ions).
Whole House Filtration Point-of-entry mechanical and chemical pre-treatment. Mains pipeline sediment, rust particulate flakes, chlorine smells.
UV Sterilization Chambers Biological treatment for private or variable water sources. Active path pathogens, live bacteria cultures, microbial cysts.

Osmio Water Treatment FAQs

Which Osmio system is best for improving household drinking water?

For pristine drinking water, reverse osmosis provides the highest level of purification. The Osmio Zero 2.0 is an ideal choice if you want a plug-and-play countertop option with zero plumbing installation. If you prefer a hidden installation that routes directly through your tap, choose the Osmio Fusion under-sink system.

Should I choose an Osmio reverse osmosis system or a water softener?

These systems address different water issues. An RO system purifies drinking water at a single point of use by removing chemicals, heavy metals, and dissolved solids. A water softener uses ion-exchange resin to treat hard water across your entire property, protecting appliances and pipework from limescale buildup.

What is the difference between whole-house filtration and a water softener?

A whole-house filtration system uses sediment and carbon media to remove chemical odors, rust, and chlorine from your water supply. While it improves water quality at every tap, it does not remove the hard water minerals that cause limescale. A water softener specifically targets and removes calcium and magnesium ions to eliminate scale buildup.

How often do Osmio reverse osmosis systems require replacement filters?

To maintain water quality and system efficiency, pre-filters and post-carbon blocks typically need to be replaced every 6 to 12 months, depending on your local water quality and daily usage. The main RO membrane element generally lasts longer, requiring replacement every 24 to 36 months.

Can I install an Osmio three-way kitchen tap alongside any under-sink filter?

Yes. Osmio tri-flow taps feature standard hot and cold connections for your mains supply, along with a dedicated, independent path that connects to standard 1/4-inch or 3/8-inch push-fittings used by most under-sink filtration and reverse osmosis systems.

Find The Right Osmio Water Product

Explore our complete inventory of genuine Osmio systems, replacement filters, and premium kitchen hardware at Regal Flow. If you have questions about system compatibility or need assistance finding the right setup for your property, our team is here to help.

Email Support: info@regalflow.co.uk
Telephone Direct: 0121 630 1130
  • Red and clear Hydrogen Water Bottle with charger points on a white background
    Red and clear Hydrogen Water Bottle on a white background
    Osmio Osmio H2Xagen Hydrogen Water Bottle 210ml
    £179.99
    5 colors available

    Osmio H2Xagen Portable Hydrogen Generator Create Fresh, Hydrogen-Rich Water Wherever You Go Infuse your drinking water with high-concentration ...

    View full details
  • Osmio Duo 2.0 hydrogen water bottle packaging on a white background
    Pink and clear hydrogen water bottle with Osmio branding on a white background
    Osmio Osmio Duo 2.0 Hydrogen Water Bottle 400ml
    £199.00
    2 colors available

    Osmio Duo 2.0 Hydrogen Water Bottle 400ml Freshly Generated Hydrogen Water, Finished in Ash Rose The Osmio Duo 2.0 combines a p...

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a male and female customer support agent at a esk
Need help choosing the right product or guidance on installation?
For any inquiries, feel free to call us at 0121 630 1130 or email info@regalflow.co.uk - we are a friendly team !
Contact Us
a male and female customer support agent at a esk
Need help choosing the right product or guidance on installation?
For any inquiries, feel free to call us at 0121 630 1130 or email info@regalflow.co.uk - we are a friendly team !
Contact Us