RO Systems

  • Budget-Friendly RO Systems

    Budget-Friendly RO Systems

    Need help choosing?

    Compare the main models and find the reverse osmosis system that fits your needs.

    RO system guide and comparison ➜

    Budget-Friendly RO Systems: Pure Water at a Low Price

    Affordable models between €200 and €500

    Josmose.fr offers a range of affordable RO systems to enjoy purified water at home without investing in high-end equipment.

    These models feature several filtration stages and, for the most part, a tank that keeps RO water ready to use.

    Entry-Level RO System Models

    Simple solutions for home use

    The Basicos, Simpleos and Picos models can produce up to 15 liters of RO water per hour and include a storage system so water is available right away.

    Most affordable

    Basicos

    The Basicos is our most affordable model for purifying household water. It can operate without electricity.

    Key strength: its tank provides a constant supply of RO water with a dispensing flow rate of up to 2.5 L/min.

    Removable pitcher

    Simpleos

    The Simpleos combines instant water availability with a removable 1-liter Tritan pitcher, BPA- and BPS-free.

    Key strength: compact, stylish and easy to install, it avoids the drawbacks of a closed tank that is hard to clean.

    Compact and powerful

    CROSS SOLO

    The CROSS SOLO stands out for its affordable price, very compact size and production capacity of up to 75 L/h.

    It also gives you access to direct-flow technology at a reasonable price.

    Ideal if: you have little space under the sink or want a compact RO system with a high flow rate.

    Which model should you choose?

    Compare the specifications of our home RO systems before making your choice.

    View the guide and comparison
  • Low-Waste RO Systems

    Low-Waste RO Systems

    Saving Water: A Resource That Has Become Essential

    Filtering effectively while reducing wastewater

    In the face of climate change and the growing scarcity of drinking water resources, it is increasingly important to consume more responsibly.

    With this in mind, we have selected low-waste RO systems, designed to combine filtration quality with water savings.

    Why does an RO system discharge water?

    An RO water system uses a reverse osmosis membrane to retain the impurities present in the water.

    Some of the water is then used to flush out these contaminants. This is known as the rejection ratio.

    Example: a ratio of 2:1 means that 2 liters of water are discharged to produce 1 liter of RO water.

    Typical ranges

    • Entry-level: up to 3:1, or even more if the pressure is low
    • Standard models: about 2:1
    • High-performance models: as low as 0.5:1

    High-performing, water-saving RO systems

    As little as 0.5 liter discharged per liter produced

    With tank

    Pure Balance

    The Pure Balance offers a ratio of 1:1, a very good result for a compact tank-based RO system.

    Direct flow

    Robustos and Optimos

    Robustos and Optimos also reach a ratio of 1:1.

    Very low wastewater

    Black Beast

    The Black Beast RO system achieves particularly high efficiency: only 0.5 liter discharged per 1 liter produced.

    Ideal if: you want a high-performing RO system while greatly limiting the water consumed as wastewater.

    Why choose a low-waste RO system?

    • Less water waste
    • Limited environmental impact
    • Savings on water consumption
    • Optimal filtration performance

    Learn more about RO systems

    Understand how wastewater works and compare the models that suit your needs.

    Why does an RO system discharge water? Guide to choosing an RO system
  • Direct-Flow RO Systems

    Direct-Flow RO Systems

    Direct-Flow RO Systems: Instant Pure Water

    Tankless, compact and high-performing

    Direct-flow RO systems produce RO water on demand, with no need to store it in a tank.

    Their high flow rate lets you enjoy fresh, purified water instantly, while taking up less space under the sink.

    Why choose direct flow?

    • Water produced on demand, no storage
    • High flow rate for greater comfort
    • Compact size under the sink
    • Fresh water, with no stagnation in a tank

    Whether you live alone, as a couple or with a family, you can choose the model based on your consumption, the available space and the flow rate you need.

    Which direct-flow RO system should you choose?

    Quickly compare our models

    The all-rounder

    Optimos

    With a flow rate of 95 L/h, the Optimos offers an excellent balance of flow rate, size and price.

    Ideal for: a small household looking for a versatile model with water remineralization.

    Flow rate + remineralization

    Mineros 2.0

    With a flow rate of 170 L/h, the Mineros combines high output with a water remineralization system.

    Ideal for: those who want a higher flow rate and remineralized RO water.

    Most compact

    Picos

    The Picos prioritizes compactness while delivering a flow rate of 95 L/h. It is especially well suited to kitchens where every inch counts.

    Ideal for: small spaces and installations where size is a priority.

    At a glance

    Picos
    95 L/h · compactness first
    Optimos
    95 L/h · versatility and remineralization
    Mineros 2.0
    170 L/h · high flow rate and remineralization

    Can’t decide between several models?

    Compare RO systems by flow rate, technology and how you plan to use them.

    Compare our RO systems ➜
  • RO Water Dispensers

    RO Water Dispensers

    Reverse Osmosis Water Dispenser: Pure Water Anytime

    Cold, hot and filtered water made easy

    Our water dispensers give you quick access to reverse osmosis water ready to drink, both cold and hot.

    Simple to use and easy to maintain, they offer a practical solution for offices, businesses and professional spaces.

    Discover Our Water Dispensers

    Compare models based on your needs for cold, hot and filtered water.

    Explore our water dispenser range

    Which Water Dispenser Should You Choose?

    Cold, hot or filtered water

    Are you looking for a cold water dispenser, a hot water dispenser or a practical filtration solution for your business?

    Our models are designed to easily provide reverse osmosis water suited to the daily needs of your employees and visitors.

    Water Dispensers for Different Needs

    Simplicity or extra comfort

    Most affordable

    Hot / cold water dispenser

    An economical solution that gives you cold or hot reverse osmosis water at any time.

    More comfort

    Dispenser with built-in refrigerator

    This model also provides cold or hot reverse osmosis water, with a built-in refrigerator to keep your food fresh.

    Need Hot Reverse Osmosis Water?

    Our models make it easy to have hot reverse osmosis water for making tea, coffee and hot drinks.

    Benefits of a Reverse Osmosis Water Dispenser

    • Enjoy quality filtered water anytime
    • Easily choose between cold and hot water
    • Cut down on buying and storing water bottles
    • Improve the taste of water, tea and coffee
    • Reduce the use of plastic bottles

    Find the Right Dispenser for Your Business

    Discover our models and compare their features.

    View all water dispensers
  • Professional RO Systems

    Professional RO Systems

    High-Flow RO System: For Professional Needs

    From 125 to 1,500 liters of RO water per hour

    High-flow professional RO systems are designed to filter much larger volumes of water than a home model.

    They are particularly well suited to restaurants and brasseries, as well as many other professional activities that need filtered water in quantity.

    An advantage in food service: RO water can reduce spotting on utensils and can also be used for preparing coffee.

    A Range Suited to Different Flow Rates

    Several production levels depending on your business

    We offer several RO systems with production capacities ranging from 180 to 1,500 L/h, so you can match the equipment to your needs.

    Compact and low-waste

    Robustos Max

    For higher demand, the Robustos Max combines a compact format with a production capacity of 180 L/h.

    It also stands out for its reduced water consumption, with a wastewater ratio between 1:1.5 and 1:2, i.e. a stated waste rate of 35 to 40%.

    Ideal if: you want higher output from a compact unit while limiting water waste.

    At a glance

    Robustos Max
    180 L/h · compact · low waste

    Need help choosing?

    Check out our tips for selecting the RO system suited to your flow rate and your business.

    Read the RO system buying guide
  • Industrial RO Systems

    Industrial RO Systems

    High-Flow Industrial RO Systems

    From 200 to 50,000 liters of purified water per hour

    An industrial RO system produces purified water in very large quantities for many professional applications: food processing, cosmetics, cleaning, or industrial processes.

    Our range covers production capacities from 200 to 50,000 L/h, with the option of designing custom installations for higher requirements.

    A Range Suited to Industrial Needs

    Standard machines or custom configurations

    Wide flow rate range

    Several configurations are available to match RO water production to the actual needs of your business.

    European manufacturing

    Our industrial machines are assembled in our partner factories in Spain and Ukraine, then shipped directly to you by truck.

    Available options and pretreatments

    Adapt the installation to your water quality

    • Pre-filtration suited to the particles present in the water
    • Chlorine disinfection
    • Limescale treatment
    • Chlorine removal before the membranes

    Need a custom configuration?

    We can size an industrial RO system to your flow rate, your water quality, and your application.

    Request a custom quote

    Watch our range on video

    Overview of industrial RO systems

  • Seawater Desalination Systems

    Seawater Desalination Systems

    Choosing the Right Seawater Desalination System

    A desalinator is a device that produces fresh water from seawater. It generally works through reverse osmosis, a very fine filtration technology capable of retaining salt and a large share of the impurities in the water. The result is desalinated water, usable as needed for drinking, technical uses or certain professional applications.

    This category includes two types of solutions. The first is a portable desalinator, designed for mobile or occasional needs. Compact and easy to carry, it can be useful on a boat, during an expedition, in a remote location or in an emergency, when access to fresh water is limited. It lets you gain autonomy without installing a large fixed system.

    The second is an industrial desalinator, intended for larger needs. It suits professionals, local authorities, remote sites, farms, marine applications or installations requiring regular fresh water production. Its capacity can be adapted to the volume of water required, making it a more complete solution for intensive or continuous use.

    The choice between these two devices depends mainly on your situation. For a mobile, occasional or low-volume need, the portable model is generally the best fit. For larger daily production, a fixed installation and professional use, it is better to turn to an industrial solution sized to the flow rate required.

    Before choosing your desalinator, it is important to consider several factors: the amount of water you want per day, the salinity of the water to be treated, the available space, the power supply, the frequency of use and the expected level of maintenance. These criteria help you select equipment that is truly suited to your use.

    Whether your need is autonomy, mobility or fresh water production on a larger scale, our desalinators offer a practical solution for using seawater when access to fresh water is difficult or insufficient.

  • RO System Consumables

    RO System Consumables

    RO System Consumables

    Cartridges, filters, membranes, and maintenance kits

    To keep your water quality high and your installation running properly, it is essential to regularly replace your RO system consumables.

    Pre-filters, activated carbon cartridges, reverse osmosis membranes, or post-filters: each component plays a specific role in the filtration process.

    Why replace consumables?

    Preserve your RO system's performance

    Over time, the filter elements become clogged with impurities and gradually lose efficiency. Replacing them preserves the filtration quality of the installation.

    • Maintain effective filtration
    • Protect the reverse osmosis membrane
    • Preserve the taste and quality of the water
    • Maintain the performance and flow rate of the unit

    The different RO system consumables

    Each filtration stage has its role

    Sediment pre-filters

    They trap particles in the water such as sand, rust, and suspended matter.

    Activated carbon filters

    Activated carbon helps reduce chlorine and certain organic compounds before the water passes through the membrane.

    Reverse osmosis membranes

    The core component of the RO system, the membrane provides extremely fine filtration of dissolved substances in the water.

    Post-filters and complementary cartridges

    Placed after the membrane, they complete the water treatment or improve its taste, depending on the system.

    When should you replace filters and membranes?

    Intervals that depend on your installation

    The service life of consumables depends in particular on water quality, your usage, and the RO system model. As a guideline:

    Pre-filters

    Approximately 6 to 12 months

    Combined cartridges

    Approximately 12 to 24 months

    Reverse osmosis membrane

    Approximately 2 to 4 years

    These durations are approximate. Always follow the maintenance recommendations for your RO system model first.

    Cartridges, membranes, or complete kits?

    Choose based on your maintenance needs

    Individual cartridges: ideal for replacing only the filter that has reached the end of its life.

    Membranes: replace when filtration performance declines or as recommended by the manufacturer.

    Maintenance kits: a convenient solution to have the main consumables needed for periodic maintenance of your RO system.

    Keep your RO system running for the long term

    Browse our filters, cartridges, membranes, and maintenance kits compatible with many home and professional RO systems. Always check that the consumable is compatible with your appliance before ordering.

  • RO System Maintenance Kits

    RO System Maintenance Kits

  • RO System Accessories

    RO System Accessories

    Reverse Osmosis System Accessories

    Faucets, fittings, adapters, and parts for your installation

    Looking for an accessory for your home RO system? Browse our selection of parts and accessories to install, complete, or upgrade your water purification system.

    Faucets, fittings, adapters, extension kits, and treatment accessories: choose the components that suit your installation.

    Accessories for your RO system

    Everything you need to complete your installation

    RO system faucets

    Complete your installation with a faucet suited to dispensing your RO water.

    Fittings and adapters

    Find the fittings and adapters you need to connect the various components of your RO system and adapt it to your water supply.

    Kits and extensions

    Upgrade your installation with a range of extension kits and complementary accessories.

    Additional parts and equipment

    A selection of parts lets you complete, modify, or restore certain components of your filtration system.

    Optimize your water purification system

    Installation, adaptation, and upgrades

    The right accessories adapt your RO system to your installation and make it easier to use every day.

    • Adapt the RO system to your water supply
    • Simplify installation and connections
    • Upgrade your filtration system
    • Replace certain parts of your installation

    Accessories for your water treatment

    Complete your equipment to suit your needs

    Our selection complements various water treatment systems, including your RO system or your water softener.

    Good to know: many connection tasks and accessory additions can be done directly on a home RO system, as long as you follow your appliance's installation instructions.

    Find the right accessory for your RO system

    Before ordering a fitting, faucet, adapter, or any other part, check the dimensions and compatibility with your RO system model and your installation.

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Which RO system is right for your needs?

Find the right system for your needs

Josmose.fr is the specialist in reverse osmosis systems in France. We offer a wide range of filtration systems for households, professionals and industrial users.

Budget, footprint, water consumption or flow rate: quickly find the model that fits your installation.

Not sure which model to choose?

Check our comparison to quickly find the right RO system.

Compare our RO system models

Which water purifier should you choose? →

Choose your RO system based on your priorities

Budget, consumption, footprint or flow rate

Entry-level RO system

Want to enjoy pure water at home while staying within your budget? Discover our range of budget-friendly RO systems.

Good to know: most of our home RO systems can accept a remineralization cartridge.

Water-saving RO system

Reverse osmosis requires part of the water to be drained in order to remove the retained impurities. Some models are designed to greatly reduce this wastewater.

Discover low-waste RO systems

Compact RO system

Little room under the sink? Our direct-flow RO systems come in a sleek, enclosed housing designed to blend into your kitchen.

See direct-flow RO systems

High-flow RO system

For needs above 100 liters per hour, see our professional RO systems.

For very large volumes, discover our range of industrial RO systems.

Professional RO systems Industrial RO systems

Consumables and accessories

Maintain your RO system

Filters and membranes must be replaced regularly to maintain the performance of your RO system.

Consumables and maintenance kits RO system accessories

Need help choosing?

Read our tips for choosing the right model for your needs.

Read the buying guide

Extend the life of your RO system

Very hard water can speed up fouling of the filters and membrane.

Installing a water softener upstream can reduce hardness, limit fouling and extend the life of the consumables.

Recommended by the comparison site Selectra.

RO systems: filtering tap water through reverse osmosis

A reverse osmosis system is a water filtration system that uses reverse osmosis technology. Its reverse osmosis membrane reduces a large proportion of impurities and produces water with a very low mineral content, free of the vast majority of residues, including PFAS (per- and polyfluoroalkyl substances) and other persistent chemical contaminants. On Josmose.fr, several models are available depending on your desired flow rate, available space and budget.

Which home RO system should you choose?

Our home RO systems are designed to filter water for drinking and cooking. Depending on your needs, you can choose a tank-based model, a direct-flow model or a reverse osmosis water dispenser. For example, the Mobilos RO water dispenser is easy to install and requires no complex connections. We also offer direct-flow RO systems such as the Mineros 2.0 and the Optimos

Filtering PFAS and micropollutants

Reverse osmosis reduces a large proportion of PFAS and many substances dissolved in water. Each home RO system is equipped with a membrane capable of filtering PFAS and other micropollutants, ensuring pure, healthy water. To maintain good performance and filtration quality, replacing the filters regularly is recommended. A maintenance kit contains all the necessary components, including the RO membrane.

How does reverse osmosis work?

Reverse osmosis is a filtration process used to effectively remove pollutants and PFAS from tap water. It involves forcing pressurized water through a very fine membrane. Some of the dissolved substances are trapped and then flushed away with the drain water, while the filtered water is directed to your faucet. This technology is also used in various sectors: horticulture, winemaking, professional kitchens, food processing and desalination. Depending on your needs, the RO water can then be remineralized.

Home, professional or industrial RO systems

For home use, your choice mainly depends on the number of users, desired flow rate, space requirements and volume of drain water. For greater needs, Josmose also offers professional RO systems and industrial RO systems suitable for high flow rates.

Benefits of an RO system

  • Effectively removes PFAS, chlorine, limescale and other chemical pollutants.
  • Cost-effective: fewer bottled water purchases, long-lasting performance.
  • Available for all uses: home, professional or industrial.
  • Easy to install and maintain with the supplied kits and membranes.

Choosing the best RO system for your water

Our models offer flow rates suited to every need: up to 180 L/h for home models and up to 12,000 L/h for industrial models. Choosing a quality RO system significantly reduces many contaminants in your water, including PFAS, while producing water suitable for everyday drinking.