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Cartridges for aquarium RO and RO-DI systems | MojaWoda

Cartridges for aquarium reverse osmosis

Cartridges for aquarium reverse osmosis are replacement filtration elements for RO and RO-DI systems used to prepare water for aquariums. This category includes mechanical, carbon, sediment, DI and other service cartridges for aquarium filters. Regular cartridge replacement helps protect the membrane, maintain low TDS and prepare clean water for water changes, top-ups and stable aquarium maintenance.

There are 12 products.

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Showing 1-12 of 12 item(s)

RO3 Filter Cartridge Set WPL2 & WWL2 Replacement

★ 4.9

Reviews: 9

26 people bought this

Complete set of cartridges for filter RO3 WPL2 WWL2

Complete set of cartridges for the RO3 aquarium filter : WPL2 (sediment) + WWL2 (carbon). WPL2 made of polypropylene foam traps sand, silt, rust, and other solid impurities. WWL2 reduces chlorine, chlorine compounds, and some organic contaminants. Both linear cartridges are in 10" format and 2" diameter. Recommended replacement every 3-6 months, operating temperature 2-42°C.

Cartridge type: Cartridge set
Cartridge length: 10″
Filtration rating: 20 µm
Media: Polypropylene

Brand: TOP FILTER

5.33 €

FITaqua RO3 Filter Cartridge Set, 2-Stage Replacement

★ 4.9

Reviews: 7

12 people bought this

FITaqua complete cartridge set for RO3 filter

FITaqua filter cartridge set for the RO3 aquarium filter: linear polypropylene cartridge AC-IL-PP (5 microns, 10" x 2") and linear carbon cartridge AC-IL-GAC (10" x 2"). Effectively traps solid sediments (sand, silt, rust) and reduces chlorine, chlorine compounds, and organic pollutants. Products with PZH certification, BPA FREE, and PHTHALATE FREE.

Cartridge type: Cartridge set
Cartridge length: 10″
Filtration rating: 5 µm
Media: Activated carbon, Polypropylene

Brand: FITAQUA

6.81 €

RO4 DEMI MB20 Cartridge Set for Aquarium Filters

★ 5.0

Reviews: 5

9 people bought this

Complete set of cartridges for RO4 DEMI MB20 filter

Set of 10" replacement cartridges for the RO4 DEMI filter. The set includes a sediment filter, a carbon block, and 0.75 liters of MB20 resin for water demineralization.

Cartridge type: Cartridge set
Cartridge length: 10″
Filtration rating: 20 µm
Media: Polypropylene

Brand: AQUA VITA

15.44 €

RO4 DEMI-L Cartridge Set for Sediment, Carbon & DEMI

★ 5.0

Reviews: 4

11 people bought this

Complete set of cartridges for RO4 DEMI-L WPL2 WWL2 filter

Set of 2" linear cartridges for the RO4 DEMI-L filter. The set includes a sediment linear filter, a carbon filter, and a linear filter with MB400 resin for demineralizing water.

Cartridge type: Cartridge set
Cartridge length: 10″
Filtration rating: 5 µm
Media: Activated carbon, Mixed-bed resin, Polypropylene

17.03 €

AV-DEMI-L Aqua Vita 2" Demineralization Cartridge

★ 5.0

Reviews: 4

13 people bought this

AV-DEMI-L Aqua Vita demineralization cartridge

AV-DEMI-L Aqua Vita is a 2" linear cartridge filled with PUROLITE MB400 ion exchange resin (a mixture of cation and anion exchange resins) for water demineralization. Used after osmotic filtration, it helps achieve water with very low salinity, even 0 ppm (depending on operating conditions and water quality).

Cartridge type: Demineralizing, Mineralizing
Media: Ion-exchange resin, Mixed-bed resin

Brand: AQUA VITA

11.35 €

RO3 Aquarium Filter Cartridge Set with Sediment & Carbon

★ 5.0

Reviews: 3

2x set of cartridges for RO3 aquarium water filter

Set of 2 linear cartridge kits for RO3 systems in aquaristics. In the package: 2 sediment cartridges WPL2 (polypropylene foam) for removing sand, silt, and rust, as well as 2 carbon cartridges WWL2 for reducing chlorine, chlorine compounds, and organic contaminants. Additionally, Teflon tape and a service manual.

Cartridge type: RO inline, Cartridge set
Cartridge length: 10″
Filtration rating: 5 µm
Media: Polypropylene

Brand: WODARO

10.22 €

RO4 DEMI MB400 Replacement Cartridge Set for Aquariums

★ 5.0

Reviews: 1

56 people bought this

Complete set of cartridges for RO4 DEMI MB400 filter

Set of 10" replacement cartridges for the RO4 DEMI filter. The set includes a sediment filter, a carbon block, and 0.75 liters of MB400 resin for demineralizing water.

Cartridge type: Demineralizing, Cartridge set
Cartridge length: 10″
Filtration rating: 20 µm
Media: Ion-exchange resin, Polypropylene

Brand: AQUA VITA

15.89 €

Purolite MB400 Demineralizing Resin 750 ml Cartridge

★ 5.0

Reviews: 1

9 people bought this

Demineralizing Resin MB400 PUROLITE 750ML Can Filter Cartridge 10"

Purolite MB400 is a ready-to-use, homogeneous mixture of cation and anion exchange resins for demineralizing water and removing residual contaminants. It works well in household and industrial devices for polishing water after reverse osmosis. The package is 750 ml in a can that can be opened and refilled. The cartridge fits 10-inch housings.

Cartridge type: Demineralizing, Mineralizing
Cartridge length: 10″
Media: Ion-exchange resin, Mixed-bed resin

Brand: WODARO

13.39 €

RO3 Aquarium Filter Cartridge Set, 3x Sediment and Carbon

★ 5.0

Reviews: 1

4 people bought this

3x set of cartridges for RO3 aquarium water filter

Set of 3x filter cartridges for RO3 aquarium filters (Aqua Vita). The package includes: 3x sediment linear cartridge WPL2 (polypropylene foam) and 3x carbon linear cartridge WWL2, as well as Teflon tape and a service manual. The cartridges help remove solid impurities, while the carbon filter additionally reduces chlorine and organic compounds, supporting stable water quality.

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

Brand: TOP FILTER

13.51 €

RO3 Aquarium RO Cartridge Set with 100 GPD Membrane

3 people bought this

Complete set of RO3 aquarium filter cartridges membrane

Complete set of cartridges for the RO3 aquarium filter with an osmotic membrane. The set includes a sediment cartridge WPL2, a carbon cartridge WWL2, a VONTRON 100 GPD membrane, a FLOW 550 flow restrictor, Teflon tape, and a service manual. Designed for typical RO systems, it effectively helps remove impurities and protect the membrane.

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

Brand: VONTRON

22.47 €

DEMI Purolite MB400 Water Demineralization Filter

8 people bought this

Demineralization water filter DEMI Purolite MB400

DEMI linear cartridge with Purolite MB-400 resin for water demineralization after reverse osmosis. Used as the final filtration stage, it helps achieve water with a salinity of 0 ppm. The set includes a 2" (10") filter with approx. 0.4 l of resin and mounting accessories: 2 connecting brackets, 2 elbows 1/4" GZ x 1/4" hose, and 1.5 m of 1/4" hose.

Cartridge type: Demineralizing, Mineralizing
Cartridge length: 10″
Media: Ion-exchange resin

Brand: AQUA VITA

11.12 €

RO3 Reverse Osmosis Filter Set with Teflon Tape

WPL2 WWL2 FILTER SET + TEFLON TAPE FOR RO3 REVERSE OSMOSIS FILTER

RO3 aquarium filter cartridge set (reverse osmosis): carbon WWL2, sediment WPL2, and Teflon tape for sealing threads. Coconut carbon helps remove chlorine and organic compounds, while the polypropylene cartridge traps solid particles. Plug-and-play cartridges fit standard RO3 modules.

Cartridge type: Cartridge set
Media: Polypropylene
Service life: 6 months

Brand: TOP FILTER

5.15 €