How often do I need to change the filters on my product?

Our ionic air purifiers will not need replacement filters. Others may need filter replacements every 6 months or 12 months, depending on the usage. For normal usage, we recommend the following:

ION390 3-in-1 filter	Every 12 months
ION390 TiO2 filter	Every 3-4 years
ION330 filters	12 months
ION60, 70, 85 Ion Resin Filter	6 months (depending on usage and quality of water)
ION90 Nano Silver Filter	6 months (depending on usage and quality of water)