Vogmask is the highest filtering anti-pollution mask in the World. A great combination of fashion and function, Vogmask is both NIOSH approved and CE FFP2 R certified as an anti-pollution mask. Vogmask comes in two variants, single valve, and double valve. It’s the only anti-pollution mask certified as reusable and washable across the globe. Single Valve Vogmask is ideal for everyone as it is multilayered and has certified filter that removes PM2.5 particles. The Single Valve Vogmask also has an activated carbon filter that removes gases, odors, and ozone. Take a fresh breath with your Single valve Vogmask without any worries.