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Water purifiers: which one should you choose?

Water purifiers: which one should you choose? 

Practical guide & buying advice
Which water purifier should you choose?

The water filter shown here uses the same filter unit, but is available in several kit versions depending on your setup. The right choice depends mainly on the type of tap you wish to use and the accessories you would like to receive with the filter.

Une eau purifiée et naturelle
A well-chosen water purification system enhances user comfort and makes drinking water a more enjoyable experience every day.
Key points
The filter is the same
The main difference between the models lies in the accessories supplied and the type of tap required for installation.
Good reflexes
Choose according to your kitchen
The right kit depends mainly on the space available, your existing taps and the standard of finish you’re looking for.

Why choose an under-sink water purifier?

An under-sink water filter is designed to improve the quality of the water used in the kitchen on a daily basis, without taking up space on the worktop. It is a discreet, practical and sustainable solution for households that want better-tasting tap water.

The right approach is not simply to look for “the best water purifier”, but to start by considering your actual needs: improving the taste, reducing certain odours, filtering drinking water more effectively or simply having a more convenient solution than a filter jug.

Quick selection
Which version is right for you?
Version without accessories
You will receive only the complete water filter unit, including the cartridge and holder; no tubing, fittings or tap are supplied.
4-in-1 version
You will receive the same water purifier as part of a complete kit, including installation accessories and a small dedicated tap to be fitted alongside the existing tap.
Version with a 3-way tap
You will receive the same water purifier as part of a complete kit, including a three-way tap that replaces the existing tap and combines tap water and purified water in a single point.
See the air purifier in action
This video helps you visualise the water purifier, the various taps and the general principle of under-sink installation.
Installation du purificateur d’eau avec petit robinet additionnel
The standard 4-in-1 kit is installed under the sink and includes a small tap specifically for purified water, to be fitted next to the sink.

A single cartridge with four stages of filtration

Purificateur d’eau en coupe

This air purifier uses a single cartridge with four stages of filtration. Mechanical filtration traps unwanted particles, whilst the high-density activated carbon helps to reduce various compounds that water purifier users often wish to remove: chlorine, certain odours, chemical residues, heavy metals and other pollutants that may be found in water.

The ultrafiltration membrane has a pore size of 0.01 microns.
This fine pore size enables very fine filtration whilst maintaining a compact design that is easy to install and practical for everyday use.

Another significant advantage is that, unlike a reverse osmosis system, this system retains the minerals naturally present in the water and better preserves its natural taste, whilst avoiding the water wastage associated with reverse osmosis.

What makes the difference
A single cartridge, 4 stages of filtration, no reverse osmosis involved
You benefit from a compact, durable and user-friendly solution, featuring activated carbon, fine filtration and water that retains its natural properties.

Range, maintenance and ease of use

The purifier is designed for simple domestic use. The cartridge has a long service life and can last for several years, depending on the household’s water consumption and the quality of the incoming water.

The system is popular because it is so easy to use: there is no large, visible installation, no bulky machine on the worktop, and purified water is available straight from the tap.

Range
Up to 7,500 litres
A generous battery life for everyday use, with a claimed lifespan of up to 2 to 3 years depending on usage conditions.
Installation
Fits under the sink – discreet and practical
The filter unit is fitted under the sink to free up worktop space and keep the kitchen looking tidier.
Comfort
Small tap or three-way tap
You can choose the finish that best suits your sink, the space available and the way you use water on a day-to-day basis.

The three versions of the same air purifier

VersionContentsWho is it for?
Without accessoriesComplete water filter unit with cartridge fitted and bracket, excluding fittings, tubing and tapFor those who already have the equipment or who want to put together their own bespoke system
4-in-1The same air purifier, supplied as a ready-to-install kit with the necessary accessories and a small dedicated tap to be fitted in addition to the existing tapFor households that want a complete kit without replacing their current mixer tap
With a 3-way tapThe same water filter, supplied as a complete set with fittings, tubing, a T-joint and a three-way mixer tapFor households that want a more integrated system with a single main tap
Air purifier without accessories
You will receive only the air purifier with its cartridge and stand; connection parts are not included.
View this model
4-in-1 air purifier
The right choice if you want a complete kit with a small dedicated tap to fit next to the sink.
View this model
Water purifier with a 3-way tap
The most practical option if you want to replace your existing tap and combine tap water and purified water at the same point of use.
View this model
Purificateur d’eau avec robinet 3 voies pour la cuisine
The three-way tap allows you to use both tap water and purified water from a single tap, offering a more stylish and practical solution.

Why choose this system rather than a reverse osmosis unit?

This water purifier is popular with many households because it offers highly effective filtration without relying on reverse osmosis. It retains the minerals naturally present in the water and avoids the usual drawbacks of reverse osmosis systems, such as wastewater discharge and the often more cumbersome installation.

For everyday domestic use, this is therefore a particularly suitable solution if you are looking for a good balance between fine filtration, ease of use, simplicity and preserving the natural taste of the water.

See also accessories for water purifiers

FAQ – Water purifier

What is the difference between the three models?

The filter unit is the same. What differs are the accessories supplied: a basic version with no fittings or tap, a standard kit with a small additional tap, or a kit with a three-way tap to replace the existing tap.

Does the 4-in-1 model replace the existing tap?

No. The standard 4-in-1 kit is designed to add a small tap specifically for purified water, in addition to the tap that is already in place.

When should you choose a 3-way tap?

The three-way tap is ideal if you want to replace your existing tap and use both tap water and purified water from a single tap, creating a more integrated setup.

What does the version without accessories include?

The version without accessories includes the complete purifier with its cartridge and stand, but does not include any screw-on fittings, tubing or a tap.

What is the advantage over a reverse osmosis system?

The main advantage is that it filters the water thoroughly whilst retaining its natural minerals, is easier to install, and does not produce any waste water, unlike a reverse osmosis system.



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