1. 3M
N95 mask (one-time anti-PM2.5/anti-flu, can be used continuously for 8 hours)
Advantages: used for respiratory protection of certain non-oily particles, with a filtration efficiency of not less than 95%. It can help block the inhalable particles in the air, and can effectively prevent the H1N1 influenza virus. The breathing resistance is small and it is comfortable to wear.
2. N95, cm North Korea's second-generation civilian product, anti-smog, anti-flu, and anti-dust.
Advantages: There is a carbon sheet inside, which can be replaced multiple times and the mask can be cleaned multiple times.
3. Green Shield
Green Shield PM2.5 has adult and child versions. It is suitable for people who are prone to allergies, elderly people and children with weak resistance. Advantages: The mask can be cleaned repeatedly, but the microfiltration filter inside cannot be cleaned. It is recommended that each filter be worn for 7 days.
4. 3M 8210N95
3M 8210N95 breathing valve advantages: suitable for wet and hot rings or long-time wear protection, it is a comfortable protective mask. It is used for the respiratory protection of some non-oily particles, and the filtration efficiency is not less than 95%. It can help block inhalable particles in the air.
5. German DACH professional protective mask.
Advantages: At present, one of the most stringent respiratory protection standards in the world—DACH products are produced and tested in accordance with EU EN 149:2001 + A1:2009 standards. It specifically requires respiratory protection products to effectively filter oily pollutant particles. DACH products All the test values not only reach, but are far better than the test indicators in the EU standards. It is comfortable to wear, fits well with the face, foldable design, easy to store and carry, and the effective use time is up to 40 hours.