fig4
From: Release of microfibers from surgical face masks: an undesirable contributor to aquatic pollution
![Release of microfibers from surgical face masks: an undesirable contributor to aquatic pollution](https://image.oaes.cc/2a9ab8eb-81f9-40b7-ae76-22b0e0987006/wecn2031.fig.4.jpg)
Figure 4. The percentage ratio of isolated microfibers from the different treatments per day by size. SDS: Sodium dodecyl sulfate.