The best there is in the Greek market in this category.

Its filter is 0.3 microns, lasts for 6 months, and is extremely easy to change.

Small and practical, attractive, ceramic filter with activated carbon. Natural materials. Affordable, reliable, and specialized Greek company. Removes chlorine and many other harmful elements in high percentages. The taste of the water is noticeably better. Lasts for 6-8 months depending on usage, or 4,500 liters. Fits all faucets.

Very good pressure, good water quality, taste, and smell. Always remember that water should be drunk even without the filter, no filter makes the water drinkable if the water itself is not. Consult your local municipality if you do not know if the water in your area is safe or not. These are the things I have been told by all the filters I have tried. I liked this one in particular and will continue to use it. If I encounter any problems, I will come back with an updated review.

It is better than the previous one of another brand that I was using,
of course, I expect some time to pass to form a complete opinion.