If you have a grohe boiling water tap then you must replace the water filter cartridge on a regular basis- this is easy to fit. remove the old cartridge , remove the packaging from your replacement cartridge, screw it on, reset the counter- it only takes a few minutes and I'm by no means a diy expert. Then make a cup of tea and relax.
Verified purchase: Yes | Condition: New
Excellent. I change it every 4 months. Great product
Verified purchase: Yes | Condition: New
Works fine and very easy to change
Verified purchase: Yes | Condition: New
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