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Inline cartridges for reverse osmosis

Inline cartridges for reverse osmosis are replacement elements used in RO filtration systems, most often in the final stages after the RO membrane. This category includes carbon, mineralising, alkalising, BIOCERA, REDOX and other cartridges designed to improve the taste, odour and final parameters of water. Regular replacement of inline RO cartridges helps maintain good water quality, proper flow and comfortable use of the RO filter.

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There are 51 products.

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Showing 1-24 of 51 item(s)

Bluefilters AC-IL-GRD Water Structuring Insert

★ 4.3

Reviews: 6

151 people bought this

AC-IL-GRD Bluefilters linear structuring insert

Bluefilters AC-IL-GRD is a linear structuring insert for water revitalization in reverse osmosis systems. During flow, it stabilizes the internal structure of water and positively influences its microbiological and physical properties, without chemical modification and without physical contact with additives. Lifespan: 12 months .

Cartridge type: Structuring
Media: Activated carbon
Service life: 12 months

Brand: BLUEFILTERS

35.19 €

WodaRO GOLDER Redox ORP Ionizing Cartridge for Alkaline Water

★ 5.0

Reviews: 5

46 people bought this

WodaRO GOLDER redox ORP ionizing cartridge

Reducing agent for the oxidizing potential of REDOX water and increasing the alkalinity of the water pH, making the water acquire the properties of a strong and natural antioxidant.

Cartridge type: Ionizing / alkalizing

Brand: WODARO

Free delivery within Poland

67.88 €

Bluefilters AC-IL-PP Linear Sediment Filter Cartridge

★ 4.8

Reviews: 5

29 people bought this

AC-IL-PP Bluefilters linear sedimentation cartridge

AC-IL-PP Bluefilters is a linear sedimentation (mechanical) filter made of polypropylene foam. It is used to reduce solid contaminants in water, such as sand, rust, silt, sludge, pollen, carbon dust, and other sediments. It fits most osmotic systems and can be combined in sets with carbon, softening, and mineralizing filters.

Cartridge type: Sediment
Media: Polypropylene

Brand: BLUEFILTERS

5.90 €

AV-REDOX-L Redox ORP Cartridge for Alkaline Water

★ 5.0

Reviews: 4

108 people bought this

AV-REDOX-L wodaRO ionizing redox ORP cartridge

AV-REDOX-L waterRO is an ionizing cartridge that saturates water with active hydrogen, lowers the REDOX potential (ORP), and raises the pH. As a result, the water gains antioxidant properties and can support hydration and maintain acid-base balance. A solution for those who want to obtain alkaline water with a lower ORP in their home installation.

Cartridge type: Ionizing / alkalizing

Brand: WODARO

36.10 €

AC-IL-R FITaqua Redox Ionizing Cartridge for RO

★ 5.0

Reviews: 4

14 people bought this

AC-IL-R FITaqua redox ionizing cartridge

AC-IL-R FITaqua is a professional alkalizing-ionizing REDOX cartridge designed to lower the ORP potential of water (typically to around -300 mV) and raise its pH (up to about 9.5-10). The active hydrogen release technology supports achieving a lasting alkalization effect and antioxidant properties. Do not use with microbiologically contaminated water or water of unknown origin.

Cartridge type: Ionizing / alkalizing

Brand: FITAQUA

31.56 €

WPL2 Polypropylene Sediment Insert for Drinking Water

★ 4.8

Reviews: 4

11 people bought this

WPL2 sedimentation linear insert

WPL2 is a linear sedimentation filter made of polypropylene foam for the preliminary filtration of drinking water. It effectively captures sand, silt, rust particles, and other solid impurities, helping to protect the plumbing and household appliances. The standard size of linear filters facilitates easy combination into sets with carbon, softening, and mineralizing cartridges.

Cartridge type: Sediment
Media: Polypropylene

Brand: TOP FILTER

2.72 €

Linear Sediment Filter Insert for RO and Aquarium Use

★ 4.8

Reviews: 4

2 people bought this

L-PS UST-M sedimentation linear insert

L-PS UST-M is a linear sedimentation cartridge for mechanical water filtration. It works well as a pre-filter in built-in reverse osmosis systems and in aquarium treatment systems. It can also serve as a final filter, protecting the installation from particles from treatment cartridges (e.g., carbon or softening cartridges). 1/4" NPT connection.

Cartridge type: Sediment
Cartridge length: 10″
Media: Polypropylene
Service life: 6 months

Brand: USTM

3.51 €

AC-IL-R Bluefilters Redox Ionizing Insert for RO Systems

★ 5.0

Reviews: 3

16 people bought this

AC-IL-R Bluefilters redox ionizing insert

AC-IL-R Bluefilters is a redox ionizing cartridge for reverse osmosis systems. It saturates water with active hydrogen, lowers the REDOX potential, and raises the pH, allowing the water to act as an antioxidant. It may support acid-base balance, digestive processes, and kidney function. Do not use with microbiologically contaminated water or water of unknown origin.

Cartridge type: Ionizing / alkalizing

Brand: BLUEFILTERS

45.18 €

BIOCERA A-A Redox Ionizing Cartridge for Alkaline Water

★ 5.0

Reviews: 3

155 people bought this

BIOCERA A-A redox ionizing cartridge ORP

BIOCERA A-A is a mineral ionizing and alkalizing cartridge for water, utilizing patented Biocera technology. It helps raise the pH and lower the ORP (oxidation-reduction potential), allowing the water to exhibit antioxidant properties. The cartridge is designed for installation in filtration systems. The package includes brackets, connectors, and a 1.5 m hose for free.

Cartridge type: Ionizing / alkalizing

Brand: BIOCERA

Free delivery within Poland

56.53 €

RO7 Linear Cartridge Set for Reverse Osmosis Filters

★ 5.0

Reviews: 3

10 people bought this

LINEAR CARTRIDGES FOR RO7 WATER FILTER SET

Set of linear cartridges for the reverse osmosis system RO7. Included: linear carbon cartridge WWL2 for improving taste and odor as well as reducing chlorine and organic compounds, dolomite mineralizer WML2 that supplements water with minerals, and bioceramic ionizer ICB2-100 that supports water quality improvement through a medium that emits negative ions.

Cartridge type: RO inline, Cartridge set
Media: Activated carbon

Brand: TOP FILTER

17.93 €

AICRO-AB Aquafilter Carbon Cartridge with Nanosilver

★ 5.0

Reviews: 3

77 people bought this

AICRO-AB Aquafilter linear carbon cartridge

Aquafilter AICRO-AB is a linear carbon filter cartridge made of activated carbon from coconut shell (NSF certified) and polypropylene non-woven fabric with nanosilver. It effectively reduces chlorine and volatile organic compounds (VOCs), improving the taste and smell of water. Low pressure drop and a end cap limiting the escape of the medium facilitate safe use.

Cartridge type: Carbon, RO inline
Cartridge length: 10″
Media: Activated carbon, Polypropylene

Brand: AQUAFILTER

8.28 €

L-PS-Q UST-M Linear Sediment Filter Insert for RO Systems

★ 4.7

Reviews: 3

8 people bought this

L-PS-Q UST-M linear sedimentation insert

Linear mechanical (sedimentation) cartridge L-PS-Q UST-M for preliminary water filtration in built-in reverse osmosis systems and aquarium installations. It captures solid particles and sediments, protecting subsequent filtration stages and the installation. It has external 1/4" connectors for quick couplings, installation without additional sealing. Recommended replacement usually every 3 months (no less than every 6 months) before the membrane or up to 1 year at the stagefinal.

Cartridge type: Sediment
Cartridge length: 10″
Media: Polypropylene
Service life: 6 months

Brand: USTM

3.41 €

AIPRO 10-Micron Linear Sediment Cartridge for Water Filters

★ 4.7

Reviews: 3

7 people bought this

AIPRO Aquafilter sedimentation linear cartridge

AIPRO Aquafilter is a linear sediment filter made of polypropylene foam for mechanical filtration. It effectively captures sand, rust, silt, and other sediments (up to 10 microns), helping to protect the subsequent filtration stages. The standard format of the linear filter makes it easy to combine it into sets with carbon, softening, and mineralizing filters.

Cartridge type: RO inline, Sediment
Cartridge length: 10″
Filtration rating: 10 µm
Media: Polypropylene

Brand: AQUAFILTER

4.99 €

FITaqua AC-IL-PP 5-Micron Linear Sediment Cartridge

★ 4.7

Reviews: 3

27 people bought this

AC-IL-PP FITaqua sedimentation linear cartridge

AC-IL-PP FITaqua is a linear sedimentation filter insert made of polypropylene foam for the preliminary filtration of drinking water. It effectively captures sand, silt, rust particles, and other solid impurities, helping to protect the installation and household appliances. Filtration accuracy: 5 microns. Size: 10 inches, diameter 2 inches. Lifespan up to 6 months (depending on water quality). Max. operating temperature 38°C.

Cartridge type: Sediment
Cartridge length: 10″
Filtration rating: 5 µm
Media: Polypropylene

Brand: FITAQUA

3.41 €

FITaqua AC-BIL-R 2.5" Redox Ionizing Cartridge

★ 5.0

Reviews: 2

3 people bought this

AC-BIL-R FITaqua redox ionizing cartridge 2.5"

FITaqua AC-BIL-R to Polish redox ionizing cartridge 2.5" with built-in quick connectors for 1/4" tubing. BPA FREE, with PZH CERTIFICATE. The cartridge releases active hydrogen, lowers ORP, alkalizes water, and enriches it with selected minerals (including calcium, magnesium, potassium, sodium). Designed to improve the properties of water in filtration systems.

Cartridge type: Ionizing / alkalizing
Cartridge length: 5″

Brand: FITAQUA

Free delivery within Poland

56.53 €

AIFIR2000 Bioceramic Ionizing Cartridge for Water

★ 5.0

Reviews: 2

46 people bought this

AIFIR2000 Aquafilter bioceramic ionizing cartridge

AIFIR2000 Aquafilter is a linear ionizing (alkalizing) cartridge with a bioceramic medium, designed to enrich water with negative ions (Negative Ions). After passing through, the water can retain its freshness longer and be more pleasant to drink. The manufacturer also points to support for the pH balance of body fluids and properties related to neutralizing free radicals. The lifespan of the cartridge depends on the quality of the water.

Cartridge type: Ceramic, Ionizing / alkalizing
Cartridge length: 10″
Media: Ceramic

Brand: AQUAFILTER

17.93 €

AC-IL-BIO FITaqua Bioceramic Cartridge for Clean Water

★ 5.0

Reviews: 1

21 people bought this

AC-IL-BIO FITaqua bioceramic ionizing cartridge

AC-IL-BIO FITaqua is a bioceramic ionizing cartridge with a natural tourmaline bed in the form of beads. It works on the principle of resonance of water molecules and emission of FIR (far infrared) radiation, aimed at improving the clarity and taste-aroma qualities of water. A product from a Polish manufacturer, certified by PZH, intended for drinking water treatment.

Cartridge type: Ceramic, Ionizing / alkalizing
Filtration rating: 10 µm
Media: Ceramic
Service life: 12 months

Brand: FITAQUA

10.22 €

AIFIR200 Aquafilter Bioceramic Cartridge for RO Water

★ 5.0

Reviews: 1

31 people bought this

AIFIR200 Aquafilter bioceramic ionizing cartridge

Aquafilter AIFIR200 is an ionizing cartridge (alkalizer) with added bioceramic media. Designed for water after reverse osmosis filtration, it replenishes minerals lost in the RO process (including calcium, magnesium, sodium, potassium, selenium). It alkalizes water, helps reduce ORP, and can raise pH (depending on flow and input water parameters). It improves taste and odor.

Cartridge type: Ceramic, Ionizing / alkalizing
Media: Ceramic

Brand: AQUAFILTER

20.43 €

L-BIO-Q UST-M Bioceramic Insert for Reverse Osmosis

★ 5.0

Reviews: 1

11 people bought this

L-BIO-Q UST-M ionizing bioceramic insert

L-BIO-Q UST-M is a linear bioceramic cartridge for reverse osmosis systems. It contains a medium in the form of beads that emit far infrared radiation. The cartridge features a new type of ends: external 1/4 inch plugs, onto which mounting fittings are pushed, without the need for additional sealing. Designed to operate at temperatures of 2-40°C, up to 6 bar, and a flow rate of up to 3.5 l/min.

Cartridge type: Ceramic, Ionizing / alkalizing
Cartridge length: 10″
Media: Ceramic
Service life: 12 months

Brand: USTM

13.39 €

Linear Water Structurer Insert AV-GRD-L for RO

★ 5.0

Reviews: 1

58 people bought this

Linear Water Structurer Filter Insert Structuring RO AV-GRD-L WaterRO

AV-GRD-L structuring insert for reverse osmosis (RO) systems. Installed linearly, it is designed to revitalize water and influence its physical properties, including reducing surface tension and altering perceived hardness and taste. Intended for installation with a 1/4" connection. Recommended replacement: every 12 months.

Cartridge type: RO inline, Structuring
Service life: 12 months

Brand: WODARO

34.96 €

Temporarily out of stock

L-MIN-Q UST-M Linear Mineralizer Insert for RO Systems

★ 5.0

Reviews: 1

19 people bought this

L-MIN-Q UST-M linear mineralizer insert

L-MIN-Q UST-M is a linear mineralizing insert for reverse osmosis systems. It contains natural dolomite aggregate that enriches water with calcium, magnesium, and sodium , as well as other mineral components. It features modern ends with external 1/4 inch connectors that facilitate installation without additional sealing.

Cartridge type: Mineralizing
Cartridge length: 10″
Media: Dolomite
Service life: 6 months

Brand: USTM

3.86 €

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L-MIN UST-M Linear Mineralizer Cartridge for RO

★ 5.0

Reviews: 1

6 people bought this

L-MIN UST-M linear mineralizer insert

L-MIN UST-M is a linear mineralizing cartridge with natural dolomite aggregate. It enriches reverse osmosis (RO) water with minerals, including calcium, magnesium, and sodium, improving its taste and quality for daily drinking. Connection 1/4" NPT, size 10" x 2", operating temperature 2-40°C.

Cartridge type: Mineralizing
Cartridge length: 10″
Media: Dolomite
Service life: 6 months

Brand: USTM

4.31 €

AV-GAC-L GRAPHITE Linear Carbon Cartridge for RO

★ 5.0

Reviews: 1

82 people bought this

AV-GAC-L waterRO GRAPHITE linear carbon cartridge

AV-GAC-L waterRO GRAPHITE is a linear carbon cartridge for treating cold drinking water. Designed for under-sink filters and reverse osmosis systems. The filling made from coconut shell carbon effectively absorbs volatile organic compounds, improving the taste and smell of water. Fits most systems available on the market.

Cartridge type: Carbon, RO inline
Media: Activated carbon
Service life: 12 months

Brand: WODARO

5.68 €

Temporarily out of stock

AISTRO Aquafilter Linear Cartridge for Water Softening

★ 5.0

Reviews: 1

12 people bought this

AISTRO Aquafilter linear softening cartridge

AISTRO Aquafilter softening cartridge reduces water hardness by exchanging calcium and magnesium ions for sodium ions. The design of the cartridge ensures optimal contact time of water with the resin, which supports maximum effectiveness of the ion exchange process. The lifespan depends on the quality of the water.

Cartridge type: RO inline, Softening
Cartridge length: 10″
Media: Ion-exchange resin

Brand: AQUAFILTER

3.63 €

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Showing 1-24 of 51 item(s)