Uses / Indications: Salient Features of Romsons PM0.3 Nanofiber Mask 1. Nanofabric, high filtering, PM0.32. 3D structure design, breathing space more large, more comfortable; 3. Superior design, good sealing performance; Elastic strap, more convinent; Anti-fog, Anti-haze, Anti-dust, Anti-smoke, anti-pollen
