The fluoride and arsenic filters (PF-2) last for up to 3,700 litres of water or one year, whichever comes first. Of course, it is very difficult to keep track of the number of litres, which is why we recommend sticking to one year.
The fluoride and arsenic filters (PF-2) last for up to 3,700 litres of water or one year, whichever comes first. Of course, it is very difficult to keep track of the number of litres, which is why we recommend sticking to one year.