Specification
EFC31 · Cartridge
Cleansui faucet-mounted replacement cartridge
- A special mesh filters out large sediment particles
- Activated carbon filters out chemicals
- 900litersFiltering capacity
- 3monthsApprox. cartridge life (at 10 L a day)
- 1.6L/minFlow rate
- 0.01micronHollow fiber membrane filters out particles and germs
- HIGH STANDARD
- Removes 11 chemicals
HIGH STANDARD
Removes 11 chemicals
HIGH STANDARD filtration removes up to 11 chemicals:
Turbidity and chlorine
- 1
Turbidity Turbidity
Sediment carried in the water, such as rust, mercury and bacteria, is filtered out completely.
- 2
Chlorine Free residual chlorine
Used to kill bacteria and microorganisms in the water, but it spoils the taste.
Industrial and agricultural chemicals
- 3
Trichloroethylene Trichloroethylene
An industrial chemical that affects liver and kidney function; a carcinogen.
- 4
Tetrachloroethylene Tetrachloroethylene
An industrial chemical that affects liver and kidney function; a carcinogen.
- 5
Agricultural chemicals CAT (agricultural chemicals)
Pesticides that seep in from farming that puts quantity ahead of quality.
Trihalomethanes (THMs)
- 6
Trihalomethanes Trihalomethanes
Organic matter in tap water combined with chlorine; a carcinogen.
- 7
Chloroform Chloroform
A type of trihalomethane, and a carcinogen
- 8
Bromodichloromethane Bromodichloromethane
A type of trihalomethane, and a carcinogen
- 9
Dibromochloromethane Dibromochloromethane
A type of trihalomethane, and a carcinogen
- 10
Bromoform Bromoform
A type of trihalomethane, and a carcinogen
Odor
- 11
Musty odor (2-MIB) 2-MIB (musty odour)
Removes unpleasant odors from water

Membrane
A high-quality membrane
Cleansui's hollow fiber membrane filters water thoroughly clean. In 1984 Mitsubishi Chemical (then Mitsubishi Rayon) developed a ground-breaking hollow fiber membrane that removes bacteria and rust remarkably well. Today it is highly regarded as a precise filtration membrane and widely used in water purification plants, disinfectant production and medical water.
-
0.01 µm
The secret of advanced removal
The wall of the hollow fiber (polyethylene) efficiently removes particles larger than 0.01 micron (1/100,000 mm), bacteria and iron rust from tap water.
-
4–6 µm
Removes Cryptosporidium
Cryptosporidium measures 4–6 microns, and the hollow fiber membrane removes particles larger than 0.01 micron. Multiplying in the small intestine, it causes stomach pain, fever and severe diarrhea, and chlorine does not kill it.
-
Red rust
Removes red rust
Efficiently removes the red rust often found in the pipes of older buildings.
-
Less clogging
Why it clogs less
The hollow fiber has a mesh-like structure, so it filters not only at the wall but through its inner surface too. That structure is why it clogs less than other makers' membranes.
Test results
See the difference for yourself

Iron rust filtration test

Microplastic filtration test
Under UV light (peak wavelength 375 nm)
Specification
EFC31 cartridge specifications
Filter components: polyethylene hollow fiber membrane and activated carbon.
| Material | ABS |
|---|---|
| Filtering capacity | 900 L |
| Initial flow rate | 1.6 L/min |
| Minimum working water pressure | 0.07 MPa |
| Cartridge Life | 900 liters or about 3 months (at 10 L a day) |
Filtration performance
Filtration performance by substance
| Free residual chlorine | 900 L (removal rate: 80%) |
|---|---|
| Turbidity | 900 L (until the flow rate falls to 50%) |
| Chloroform | 900 L (removal rate: 80%) |
| Bromodichloromethane | 900 L (removal rate: 80%) |
| Dibromochloromethane | 900 L (removal rate: 80%) |
| Bromoform | 900 L (removal rate: 80%) |
| Tetrachloroethylene | 900 L (removal rate: 80%) |
| Trichloroethylene | 900 L (removal rate: 80%) |
| Trihalomethanes | 900 L (removal rate: 80%) |
| Agricultural chemicals (CAT) | 900 L (removal rate: 80%) |
| Musty odor (2-MIB) | 900 L (removal rate: 80%) |
| Iron (fine particles) | 80% removal |
| Aluminum (neutral) | 80% removal |
Replacement
Replacing the cartridge
For good drinking water, replace the cartridge at the end of its life: 900 liters or about 3 months (at 10 L a day).



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