Okato K7 Replacement Finishing Filter


Ultra-dense Carbon-Fibre filter for deep ultra-purification, bacterial removal, finishing and conditioning to 0.8 μm. 

Suitable for Okato Duo, Trio

Modified Aqualen fibers distribute the water flow in an ultra-dense CarbFiber filter medium which provides for optimal purification. Removes: 99.99% of bacteria, animalcule, zooplankton and blue-green algae, pharmaceuticals, sediment, chlorine, heavy metals, organic compounds, pesticides, phenols. Contains active ionic silver.

For Okato Duo, Trio


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:  

K7, 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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