Since the air purifier comes with
5 filters included, a clean new filter can be
installed every two years and you still won't need to buy one for 10 years.
filter replacement is just a guide. Replacement time will differ
depending on how the unit is used and where it is located. The
replacement period may be shorter if the unit is
used in a location where the air is very polluted. Calculation of
filter life is based on 10 cigarettes/day
being smoked in the room. (Results based on testing carried out in
accordance with Japan Electrical Manufacturers Association JEM1467
standard.) NOTE: The filter is unable to decompose all harmful substances
such as carbon monoxide found in cigarette smoke.
to buy replacement filters.