Product review (1 stars): Tested using water filter test.
Tested using water filter test.
RO filter 22ppm
Aquina fina drom bottle 45ppm
Tap water in town  376ppm
Mcdonald water 278ppm ( i guess they are filtered)
My refridge with THIS FILTER 354ppm
(after 30min flushing)  331ppm

Wow