Which is better, Nikon mask or Zhende mask?

1. Nikon mask is an anti-PM2.5 mask, and Zhende mask is a medical surgical mask.

2, love Nikon mask anti-fume mask is that Zhende mask is characterized by anti-pollen and dust. Mask is a sanitary and epidemic prevention product, which is worn on the nose and mouth to filter the air entering the nose and mouth to block harmful gases, smells, droplets, viruses and other substances. It is made of gauze or paper.