I bought alkaline ceramic filters. Pros: The filter replaces the original Mavea filter and fits perfectly. The taste of the filtered water is very good, but I can't say it's much better than the original filter. Having just started using this filter I can't be honest about the advertised benefits of alkaline water so I have no comment on that. I noticed that the water goes through the filter faster than the original filter. I don't know if that's good or bad. Just an observation. Cons: At the time of writing this review, they cost more than Mavea filters. The only other negative comment that's really minor is that the filter looked a bit dirty when the box was opened, but that's no doubt just some particles from the filter components. UPDATE: After using this filter for a while, I noticed that solids were floating around in the filtered water, especially near the bottom. When I see this, I pour out the remaining water and fill it up with fresh water. These particles are probably not harmful (?), but I prefer not to ingest them. In addition to the higher price, I now have to throw away some water, which causes even higher costs. Downgrading from 4 to 3 stars.
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