- Atomic Compatible Replacement HEPA for Honeywell HRF-H1
- Traps 99.97% of airborne allergens, 0.3 microns and larger
- Improves air quality
- Pre-filters should be replaced every 3-6 months as needed based on your environment and run time
- Replace HEPA filter once per year
- Dimensions - 4 5/8" x 10" x 1 3/8"