For normal (6-8 hours, daily) usage - every 12 months
For frequent (<8 hours daily) usage - every 6 months
| ION390 3-in-1 filter | Every 6-12 months depending on frequency of use |
| ION390 TiO2 filter | Every 3-4 years |
| ION330 filters | 12 months |
| Breeze ION420 filter set | Every 6-12 months depending on frequency of use |
| Selah ION360 filter set | Every 6-12 months depending on frequency of use |
| ION430 3-in-1 filter | Every 6-12 months depending on frequency of use |
| ION401 | No filters - remove blades to clean |
Note: This is just a rough estimate, we recommend that your own gauge depending on frequency, air quality and environment.
You can also remove the filters for light vacuuming every fortnightly or monthly as an extra step to maintain clean filters.