
For optimal performance, we recommend replacing the filter cartridge every 3 months, in line with guidance from healthcare professionals.
Watau uses a multi-stage filtration system combining physical filtration, chemical adsorption, and ion exchange to effectively reduce impurities in your tap water.
With multiple advanced filtration layers built in, it delivers superior purification performance and stands out as a premium solution for cleaner, better-tasting water.


As the filter works to reduce impurities, it gradually becomes saturated. For optimal performance, we recommend replacing the cartridge every 2–3 months.