The filter tester used in testing was a TSI® CERTITEST® Model 8130 Automated Filter Tester that is capable of efficiency measurements of up to 99.999%. Testing was performed in compliance with US FDA good manufacturing practice (GMP) regulations 21 CFR Parts 210, 211 and 820. MAG HEPA has lower air resistance and higher performance. HEPA can effectively remove at least 99% of aerosols 0.3 micrometers (μm) in diameter.