What’s the efficiency of the HEPA filter and how are HEPA filters classified?
Based on the U.S. Department of Energy and most international standards adopted by the industry, HEPA filter efficiency is 99.97% in filtering airborne particles with a diameter of 0.3 microns. Hepa filter is one air filter type. There are also other air filters like pre-filter and others. All air filters are made to remove particles […]
