A filter cartridge is a replaceable part of a water filter containing media designed for water treatment. Its properties and service life depend on the type of filter, source water quality and contaminants that need to be reduced.
When selecting a cartridge, check that it is compatible with your specific AQUAPHOR filter model. Cartridges of a similar size and appearance are not necessarily interchangeable, as their connections, construction and purpose may differ.
First identify the exact model of your filter. Its name can usually be found on the housing, in the user manual or in the purchase documents. Then select the appropriate filter type in the catalogue and check the list of compatible systems on the product page.
Consider:
A mechanical cartridge captures sand, rust and other undissolved particles. A sorption cartridge helps reduce chlorine, organic compounds and contaminants that affect the taste and odour of water. For hard water, choose a compatible softening cartridge that helps reduce limescale formation.
Do not select a cartridge by its dimensions alone. Even cartridges of the same size may perform different treatment functions or may not fit the filter housing.
| Filter type | Replacement elements | What to check |
|---|---|---|
| Filter jugs | A5, Maxfor+, B15, JS 500 and other compatible cartridges | Cartridge shape, jug model, water hardness and capacity |
| Under-sink filters | Individual modules and complete replacement sets | System model, cartridge sequence and set contents |
| Reverse osmosis systems | Prefilters, reverse osmosis membranes, postfilters and mineralisers | Membrane output and system compatibility |
| Faucet filters | Compact replacement modules for specific faucet filter models | Filter model, water characteristics and cartridge capacity |
| Mainline filters | Mechanical, sorption and specialist cartridges | Housing size, filtration rating, water temperature and flow rate |
| Filter bottles | Compact cartridges for filtering tap water | Bottle compatibility and rated capacity |
| Coffee machines | Water-softening cartridges | Equipment model and manufacturer requirements |
The exact specifications, quantity in the pack and list of compatible filters are provided on each product page.
Replacement cartridges differ according to their filtration method and purpose:
Some AQUAPHOR filter cartridges combine activated carbon with Aqualen ion-exchange fibre. The exact filter media and contaminants reduced depend on the specific product.
No single cartridge removes every possible contaminant. If the source water composition is unknown, a water analysis can help determine the appropriate filter and treatment method.
For a multistage filter, you can purchase an individual cartridge or a complete replacement set. A set is convenient when several cartridges need to be replaced according to the same maintenance schedule.
Check the package contents before ordering. A reverse osmosis membrane, mineraliser or postfilter may have a different service life and may not be included in the main replacement set.
Filter jug cartridges are available individually and in multipacks. The appropriate quantity depends on water consumption, cartridge capacity, storage conditions and shelf life.
Cartridge life depends on its type, source water quality and the volume of water filtered. For example, the rated capacity of an A5 cartridge is up to 350 litres, while a Maxfor+ cartridge has a capacity of up to 200 litres. Specifications for other products may differ.
A cartridge may need to be replaced when:
Do not wait for a noticeable deterioration in water quality. Some contaminants cannot be detected by taste, smell or appearance, so the maintenance schedule in the filter instructions should be followed.
Cartridges within a multistage system may have different replacement intervals. A prefilter can become exhausted more quickly when the source water contains a large amount of mechanical particles.
The catalogue includes AQUAPHOR filter cartridges, reverse osmosis membranes and complete replacement sets for different water filtration systems. To find a suitable product, select the filter type and model, then check the cartridge compatibility, rated capacity and quantity in the pack.
The current price and availability are shown on each product page. Orders can be placed online, and collection and delivery terms are available in the payment and delivery section.
A filter cartridge is a replaceable component containing the media used to treat water. Its function depends on the cartridge type and filtration system in which it is installed.
Find the exact filter model and check the list of compatible systems on the cartridge product page. Similar dimensions or appearance alone do not confirm compatibility.
Cartridges differ in construction, connections, filter media, capacity and purpose. They may be designed for mechanical filtration, chlorine reduction, water softening or membrane filtration.
The replacement interval depends on the rated capacity, source water quality and water consumption. Check the filter instructions or cartridge product page for the recommended maintenance schedule.
Not always. Some systems use complete sets that are replaced together, while membranes, mineralisers and other modules may have separate maintenance schedules.
The replacement procedure depends on the filter design. Follow the user manual, shut off the water supply when required, install the new cartridge and flush the system. After servicing an under-sink or reverse osmosis system, check all connections for leaks.
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