National Equipment 405220 Main Filter for ION1K

The National Equipment 405220 Main Filter is a genuine OEM replacement filter for the ION1K Air Purifier. Designed to maintain peak air filtration performance, this main filter effectively captures dust, debris, and airborne contaminants to ensure cleaner air and consistent system efficiency.

✔️ OEM main filter for National ION1K Air Purifier
✔️ Traps fine dust and airborne particulates
✔️ Maintains airflow and filtration performance
✔️ Easy to replace and built for long service life

Keep your ION1K operating efficiently with the National 405220 Main Filter—engineered for reliable filtration and system protection.