HEPA Efficiency is much more than simply using HEPA grade filters… The HEPA filter needs to be properly sealed to provide HEPA results! Take a look at what BelKraft does for every filter to ensure it preforms to HEPA standards. HEPA Efficiency: Removal of 99.97% of particles at 0.3 microns in size. So out of 1,000,000 (0.3 micron sized) particles, a true HEPA filter would capture all but 300. |
Testing HEPA Efficiency: