Aprilaire 401 Air Filters are designed for best efficiency and are the heart of your air purifier.
- Aprilaire Filter for the Aprilaire Model 2400 Air Purifier
- High-efficiency MERV 10 rating
- Reaches 99% efficiency on particles 5 microns or larger.
- Improves efficiency and increases longevity of HVAC systems when properly used and maintained
- High efficiency filter media collects small dust particles before they can collect on your coil
Aprilaire, Accordian Style, Media Replacement