User Manual Q&AAnswer
Jan 31, 2025 - 10:31 PM
According to the GROHE 40404 Blue Filter Cartridge instruction manual, the filter cartridge should be changed at least every 12 months. The actual filter capacity may vary depending on the water conditions, but it is recommended to replace the cartridge after filtering approximately 600 liters of water at 20°dKH. It is important to note that the filter system must be flushed each time the filter is changed to ensure cleanliness and hygiene.
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