DEMINERALIZER WATER FILTER DEMI DUO MB400 10''
DEMI DUO 10 cali is a demineralization water set with a double body and Purolite MB400 ion exchange resin. It allows for the production Read moreShow less
DEMI DUO 10 cali is a demineralization water set with a double body and Purolite MB400 ion exchange resin. It allows for the production of water with very low conductivity, suitable for laboratories, medical and dental equipment, marine aquaristics, and streak-free window cleaning. The package includes mounting and connection accessories.
Benefits
- Reduces dissolved salts (TDS)
- Reduces water conductivity
Specifications
- Application
- Aquarium, Industrial
- Cartridge length
- 10″
- Connection size
- 1/4″
- DI stage
- Yes
- Filter media
- Mixed-bed resin
- Model
- DEMI DUO
View full specifications
- Product type
- Demineralizer
Description
DEMINERALIZER WATER FILTER DEMI DUO MB400 10'' is an efficient water demineralization set designed for use wherever very low conductivity and high chemical purity matter. This water filter with a dual housing and Purolite MB400 ion-exchange media works as an element of a water filtration system after a process such as reverse osmosis, helping produce DEMI water for laboratories, medical and dental equipment, marine aquaristics, and for streak-free, spot-free window cleaning.

What is the DEMI DUO 10'' demineralizer used for?
The DEMI DUO model in the 10'' size has been designed for final water treatment by removing residual ions responsible for conductivity. It is a practical solution for users who need demineralized water with very high purity.
The set is used in many demanding areas:
- laboratories – for obtaining water with high chemical purity,
- medical and dental equipment – for preparing demineralized water,
- marine aquaristics – for producing DEMI water,
- window cleaning – for obtaining water without streaks and spots,
- reducing water conductivity – to obtain water with conductivity close to 0 uS.
How does the demineralization process work?
The demineralizer uses ion-exchange resins that are responsible for effectively removing ions from water. During operation, the water comes into contact with cation exchange resin (H+) and anion exchange resin (OH-), which leads to the formation of clean demineralized water (H²O).
This solution makes it possible to very effectively reduce conductivity and obtain water suitable for technical, specialized, and hobby applications. In practice, the set works particularly well with installations in which a reverse osmosis filter or reverse osmosis system operates first, because then it is possible to achieve water with 0 ppm salinity after osmosis filtration.
Main advantages of the set
- Purolite MB400 media – enables obtaining water with high chemical purity.
- Ion-exchange resins – ensure effective demineralization.
- Dual housing – supports efficient operation of the demineralization set.
- Water with 0 ppm salinity – possible to obtain after osmosis filtration.
- Wide application range – suitable for laboratories, medical equipment, aquaristics, and other industrial and hobby uses.
What is included in the set?
The complete DEMI DUO 10'' set contains the components needed for installation and connection of the system:
- 2 demineralization housings,
- cartridges with Purolite MB400 resin,
- double mounting plate,
- filter wrench,
- 2 x 1/4" elbows with quick connector,
- hose,
- PTFE tape.
The demineralizer is best used as the final stage of water treatment, especially after systems such as a reverse osmosis filter or reverse osmosis system. This setup helps to reduce conductivity to a minimum and obtain water suitable for applications requiring very high purity.
Why choose Purolite MB400?
Purolite MB400 is a mixed-bed ion-exchange media valued in applications requiring precise demineralization. Thanks to the combination of cation and anion resins, the set can effectively remove from water the components affecting its conductivity.
It is a good choice wherever standard water treatment is not sufficient and a final water quality polishing stage is needed. That is why the DEMI DUO 10'' demineralizer is used both in professional installations and in utility and hobby applications.
Technical specifications
| Model | DEMI DUO |
|---|---|
| Size | 10'' |
| Type | Water demineralization set |
| Media | Purolite MB400 |
| Number of housings | 2 demineralization housings |
| Laboratories | Water with high chemical purity |
| Medical / dental equipment | Demineralized water |
| Marine aquaristics | DEMI water |
| Window cleaning | Water without spots / streaks |
| Reducing water conductivity | Obtaining water with conductivity close to 0 uS |
| Accessories | Double mounting plate, filter wrench, 2 x 1/4" elbows with quick connector, hose, PTFE tape |
| Water with 0 ppm salinity | After osmosis filtration |
| Application | Laboratories, medical equipment, aquaristics, industrial and hobby applications |
FAQ
What is the DEMI DUO MB400 10'' water filter used for?
It is a water demineralization set used to reduce conductivity and obtain water with very high chemical purity. It works well in laboratories, medicine, dentistry, marine aquaristics, and for streak-free window cleaning.
Is the DEMI DUO 10'' a standalone water filtration system?
It is a specialized demineralization stage, often used as the final element of an installation. It works very well with solutions such as a osmosis filter, reverse osmosis filter, or reverse osmosis.
How does the Purolite MB400 media work?
The water comes into contact with cation exchange resin (H+) and anion exchange resin (OH-), which removes the ions responsible for conductivity. As a result, clean demineralized water (H²O) is produced.
What are the uses of demineralized water from this set?
It can be used wherever water with very low conductivity is needed: in laboratories, medical and dental equipment, marine aquaristics, and for cleaning glass surfaces without spots.
Is the set suitable for obtaining water with 0 ppm salinity?
Yes, after osmosis filtration the set can help obtain water with 0 ppm salinity. The best results are achieved when the demineralizer works after a reverse osmosis system.
What is included in the package?
The set includes 2 demineralization housings, cartridges with Purolite MB400 resin, a double mounting plate, a filter wrench, 2 x 1/4" elbows with quick connector, a hose, and PTFE tape.
What connections are included with the set?
The package includes 2 x 1/4" elbows with quick connector, which make it easy to connect the set to the installation.
Is this demineralizer suitable for hobby and professional use?
Yes, DEMI DUO MB400 10'' is suitable for both professional and hobby use. It can be used in laboratories, with medical equipment, in aquaristics, and in other industrial and utility applications.
Swietny filtr demineralizujacy
Bardzo dobre uzupelnienie zestawu do akwarium. Zloze MB400 w polaczeniu z obudowa dziala perfekcyjnie, woda jest krystalicznie czysta i pozbawiona mineralow. Montaz jest prosty, a wymiana wkladow nie sprawia problemow.