How often do N95 masks change

N95 masks do not have a fixed replacement time. The dust concentration in different environments is different. The use time of each person is different. The dust holding capacity of various N95 masks is different. The maintenance method of using N95 masks will affect the service life of N95 masks. There is no way to specify…

How KN95 / N95 masks anti virus

KN95 and N95 masks are two types of masks that people often use, but do they really work? As a professional medical product manufacturer, I will introduce it to everyone. How KN95 / N95 masks anti virus? Viruses usually do not exist alone in the air, but instead adhere to particles such as droplets, dust, and…