Reduces and neutralizes odor. When the Advanced Air Treatment System is running continuously, this filter is designed to last four months, or up to one year if operated eight hours a day.
If ATS used 24 hrs/day, replace filter every four months.
If ATS used 8 hrs/day or less, replace filter every year.
Note: Filter 1 should be replaced at least once a year regardless of how many hours the ATS is used. Unit will indicate when filters need to be changed.
Caution: Filter 1 cannot be washed for reuse.