Comparison of Mask Filter Performance (IMAGE) Shinshu University Caption Comparison of mask filter performance after ethanol disinfection: The nanofiber filter has air permeability even after being washed. The melt-blown filter has its mesh structure changed by ethanol sterilization and its performance is deteriorated. Credit Copyright © 2020 American Chemical Society Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.