The Fluoride and Arsenic filters (PF-2) last for up to 3,700 liters of water or 1 year, whichever comes first. Of course, it’s very difficult to keep track of the number of liters, so we recommend using them for one year.
The Fluoride and Arsenic filters (PF-2) last for up to 3,700 liters of water or 1 year, whichever comes first. Of course, it’s very difficult to keep track of the number of liters, so we recommend using them for one year.