KN95 Face Mask

KN95 Face Mask  Standard: GB2626-2006KN95 Filtration efficiency: non-oily particulate matter filtration rate>= 95% Product storage: storage temperature -20~ +38 C                          storage humidity ≤ 80% Tips: Need to be stored and ventilated in dry environment, and away from pollution sources and light. Notes: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.