I think this is my second (single) review (no supplement). I really like the system and can't say anything bad about it. The filters are expected to last almost 12 months after installation. I usually get about 80 days. I agree ($1 per day or less). Multiple sets of filters took a week or less. The return process was problematic. -is free. But waiting 2 days for new filters + system readiness (3 hours) is tedious! I should mention: I have New York City water at home. Filters are not clogged with debris. I confirm this by the fact that there are no minerals left in my kettle after boiling thousands of kettles. I'll live with it until the system completely collapses or I move out.
Filter under the sink Aquaphor Favorit ECO silver
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