Vogmask is the highest selling anti-pollution mask in over 41 countries around the world. Vogmask is a unique anti-pollution mask which brings design, reusability, and efficiency together. The Double Valve Vogmask gives you best protection against particles as small as 0.3 microns, harmful gases, ozone, smog, etc. At Vogmask, we believe in giving the highest level of protection to people from PM2.5 in style. The Double Valve Vogmask is a totally risk-free anti-pollution mask that contributes to a worldwide dialogue on the important topic of cleaning the air. This anti-pollution mask helps you in breathing cleaning air more easily.