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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.

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.


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.
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.
| Version | Contents | Who is it for? |
|---|---|---|
| Without accessories | Complete water filter unit with cartridge fitted and bracket, excluding fittings, tubing and tap | For those who already have the equipment or who want to put together their own bespoke system |
| 4-in-1 | The 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 tap | For households that want a complete kit without replacing their current mixer tap |
| With a 3-way tap | The same water filter, supplied as a complete set with fittings, tubing, a T-joint and a three-way mixer tap | For households that want a more integrated system with a single main tap |

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
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.
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.
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.
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.
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.
4 stages of filtration in a single cartridge!
Long-life cartridge: 7,500 litres over 2 to 3 years without needing replacement!
Treat yourself to German quality!
Tap water often contains:
4 filters in 1 in a single cartridge for better-tasting, more effectively filtered water every day.
Up to 7,500 litres of capacity, with replacement recommended at the latest every 3 years.
German SYR expertise, in a complete kit including a single-tap system designed for purified water.
Depending on the water supply network and the infrastructure, tap water may contain or carry:
4 stages of filtration in a single cartridge!
Long-life cartridge: 7,500 litres over 2 to 3 years without needing replacement!
Treat yourself to German quality!
Tap water often contains:
Under-sink water filter unit (sold on its own), supplied without a tap or accessories.
This product comprises only the water purifier, complete with its fitted cartridge and stand. It is supplied without a tap, fittings or tubing.
Important: This water filter cannot be used on its own. It must be fitted with a suitable tap and the necessary connection fittings.
This device is used to dynamise water by creating a vortex that stirs and accelerates the water's circulation.
It allows the water to be restructured, to regain its original properties and also neutralises the formation of limescale.
A system inspired by the major discoveries of Viktor Schauberger, which has not yet finished surprising us...
Whirlator EWY version 3/8
The Whirlator EWY 3/8 is a device designed to energise water through a swirling motion. By generating a vortex, it sets the water in motion, promotes mixing and improves circulation.
This process aims to restore a more balanced structure to the water, bringing it closer to its natural state, whilst helping to minimise the effects of limescale in the system.
Inspired by Viktor Schauberger’s work on the natural movements of water, the Whirlator EWY offers an original and fascinating approach to water revitalisation.
Plan to change your filters when needed with our water meter.
This water meter will be very useful to quantify the volume of water that has passed through your filters.
An adjustable alarm warns you when the volume has been reached.
This regulator protects water purifiers, osmosis units and other appliances.
Some homes don't have a pressure relief valve to protect their pipes, so this accessory is needed to prevent water hammer and excessive pressure in the pipes.
4 filtration stages in a single cartridge!
German quality!
Cette clef vous permettra de visser/dévisser la cartouche de votre purificateur d'eau 4 en 1 pour la remplacer.
In addition to the traditional 2-way taps, this stainless steel tap has an extra way for a water purifier or osmosis unit.
It also has a flexible hand shower, making it easier to use for washing up or other tasks.
Perfect for a water purifier or osmosis system
Brushed stainless steel finish
Easily replace your kitchen faucet and have clean, accessible water in no time at all.
Special tap for purifier or osmosis plant
Made of lead-free 304 stainless steel - anti-fingerprint treatment.
Hose for osmosis machine - water purifier - refrigerator.
Diameter 6.35 mm - 1/4 " inch.
Sold by the meter.
The essential accessory for your filter.
Easily connect a water filter under your kitchen sink.
1/4 fitting for plastic food pipes from 6mm to 6.5mm.
This type of fitting allows you to adapt a 3/8" tube to a 1/4" inch tube
3/8" corresponds to 9.52mm with a tolerance of approximately 8 to 10mm.
1/4" corresponds to 6.35mm with a tolerance of approximately 6 to 7mm
3/8 inch (12-17) connector for 6 mm to 6.5 mm plastic food hoses. (1/4 inch)
Automatic push-fit fitting - 90° elbow - for 6 mm to 6.5 mm (1/4 inch) plastic food pipes
3/8 inch (12-17) female fitting for 6 mm to 6.5 mm (1/4 inch) plastic food tubing
Straight push-fit fitting for 1/4 - 1/4 - plastic food pipe tolerances from 6 mm to 6.5 mm (1/4 inch)
It is very useful in plumbing:
This mineralising cartridge guarantees optimal water quality, similar to that of natural mineral water.
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