Filter Replacement
Replacement Interval
The filters are consumable parts. The standard life of the dust filter is about 8 years and that of the deodorizing filter is about 10 years. Testing was conducted according to JEM1467 of the Japan Electric Machine Industry Association. If 5 cigarettes are smoked per day:
[Dust filter] Years until the air purifying time is double that of when the filter is new [Deodorizing filter] Years until the deodorizing rate is reduced in half when the filter is new
The dust filter should be replaced early if its color shows the resemblance to the color on the dirtiness label attached to the purifier body.
The colors on the dirtiness label are shown as a guide only. Depending on the place of installation, actual color of contaminated filter may differ from the color shown on this label.
For a room with not much cigarette smoking
For a room with much cigarette smoking
Dirtiness label
Filter Replacement Guide
Replace the filter early if its color becomes similar to either color.
For the deodorizing filter replacement interval, use approx. 10 years as a guide. Replace the filter earlier any time the filter performance is degraded.
The filter may need to be replaced earlier depending on the place of installation and conditions of use. When dirt or odor becomes harder to remove, replace the filter earlier than suggested. Otherwise, the filter may generate odor.
The filter should be replaced earlier in the following cases.
When purifier intakes oily smoke, carbon substance (soot), etc. or when the smell of new building materials remains after a new house is built or the house is remodeled.
When used in stores, such as in coffee shops, game parlors, barber shops, beauty parlors, or in offices or hotels· inns.
When purifier intakes large amounts of cigarette smoke.
When purifier intakes combustion gas generated by heating appliances.
When purifier intakes solvent content of paint, adhesive, etc. 
When used in dusty place near a road where the traffic is heavy.
Precautions on Filter Handling
Be sure to take the filter out of a plastic bag before use.
Do not set the filter when it is still in a plastic bag. Otherwise, malfunction may result.
Avoid rough handling.
Do not crush, knead or roll the filter.
Once the filter is broken, the cleaning effect will be lost.
Do not wash the filter.
The filter is not washable for reuse. Purchase a new filter for replacement.
The filter contains plastics inside. When you dispose of the filter, follow relevant local regulations on disposal.
Cleaning Filter Replacement