In the haze, the mask is an essential personal protective equipment, the ambient air quality is different, the choice of mask is also different. There are professional anti-pm2.5 masks and masks with replaceable filters. Face mask medical mask cotton face mask. Different types of masks have different service life. How long does it take to change the mask?

PM2.5 masks

It usually takes two days to replace the anti-pm2.5 mask. Professional PM2.5 respirator, such as N99 respirator N95 mask, will be replaced after two days, otherwise it will not play a good protective role.

In addition, this kind of mask is not suitable for long-term wear, because they are airtight, it is easy to cause people to breathe not smooth mask hypoxia and other conditions. You can choose whether to wear a professional PM2.5 mask according to the daily air quality. If the air quality is good, you can choose the ordinary dust mask.

Masks with PM2.5 filters

Masks that can replace PM2.5 filters are usually replaced every 8-10 days, and it is recommended to clean the mask every 2-3 days. This type of mask is a filter that has the function of preventing PM2.5 masks from being antibacterial within the public mask. Filters are usually disposable, usually for 8 to 10 days (8 hours per day). If a stain appears on the filter, replace it immediately.

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