If all these nuances (which I wrote about in the "Disadvantages") were described on the site, it would be better. And it turns out - I bought it, and then a whole bunch of questions have to be solved. Different pros: Compactness. Takes up very little space under the sink. Filtration quality. Long term of work. Different cons: Too special connections to the water supply system. I have my own filtered water faucet. It has a standard 1/2 connection. I had to run around and look for an adapter for the connection. You can only buy it in a specialized store. Well, it turned out that it would be good to put a pre-filter for this filter. I also had to put a main filter in front of it. Basically, it's not very expensive, but still. I put the filter on Friday, and on Wednesday of the following week it already started to flow. Water appeared at the entry point of the tube into the filter and runs quite confidently. It's good that I noticed in time, and did not have time to flood the neighbors. This is somehow too fast, I did not work for a week !
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