Before that there was a flow filter of the same manufacturer. Scale appeared 3-4 months after replacing the cartridges. Now 3 months of active operation - not a hint of scale and plaque. We filter a large volume of water: 4 people in the family, 2 air humidifiers are constantly working. With its pros: It performs its functions very well. There is no scale in the kettle, and when the humidifiers are working, there is no more white plaque. The water after the mineralizer is pleasant. With its cons: There was another crane in the kit, but it was replaced in the company store.
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