VENUS CN95+ is a convex seam style respirator which provides optimum protection & comfort against micro-fine respirable suspended particulate matter like sub-micron particles, fine dusts, non oil based liquid mist and biological agents e.g.: TB, SARS and pandemic influenza. It filters more than 95% of non oil based particles. It doesn't let the filter clog thereby increasing the respirator's life and is friendly to skin which deminishes the risk of reactions to skin allergy.