GROHE Blue® systems also offer you a choice of filter size as well as three filter type options, meaning you can get perfect drinking water whether you live in a hard or soft water area.
There are 3 standard filter sizes available:
- S-Size (40404001)
- M-Size (40430001)
- L-Size (40412001)
GROHE Blue® activated carbon filter (40 547 001):
Ideal for soft water areas, the activated carbon filter improves the taste by removing chlorine and metal substances but does not filter out carbonate hardness.
GROHE Blue® magnesium+ filter (40 691 001):
Grohe Blue Filters
Enjoy additional health benefits by choosing the Magnesium+ filter model. It uses our five-step filtration process and it also adds magnesium to the water. Something of a tea and coffee connoisseur? Then this is the option for you, with the added magnesium delivering the best-tasting tea and coffee possible.