Okato K3 Replacement Pre-Filter 3-Pack


High-capacity, pre-treatment filtration to 5μm

Suitable for Okato Trio Configuration

High sediment holding capacity with increased amount of selective ion-exchange Aqualen fibers to effectively remove colloidal and dissolved iron. CarbFiber Block technology contains granulated activated coconut carbon with an Aqualen mix. Filters particles down to 5 micron, removes active chlorine, organic compounds and heavy metals. Contains active ionic silver.

For use in Okato Trio, Filter no.1


Filter lifespan

The service life of the water filter is 5 years from the manufacturing date. The water filter should be replaced upon expiration of the service life. 

Service life of the in-use replacement filter cartridges:  

K3, 8000 litres maximum 1.5 years.

The service life of the replacement filter cartridges is set for filtering water to meet existing sanitary standards. The service life is calculated from the replacement filter cartridges manufacturing date. 

Shelf life of the water filter before operation is maximum 3 years at temperature from +5 to +38 °С, without removing the packaging. 

Warranty period of the water filter operation (excluding the replacement filter cartridges) is 1 year from the purchase date.


See our help and resource centre for Okato installations. 

Replacement Cartridge Installation Sequence:

Cartridge Order 1st` 2nd 3rd
Solo K7B    
Duo K7 K7B  
Trio Combo Softener K3 KH K7B
Trio Combo Standard  K3 K7B K7
Nature K7B    


Purify for deep purification and activation with active ionic silver compound.


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