FFP1 mask

FFP1 mask is that meet European (CE EN1409: 2001+A1:2009 ) standards.HOW DO รีวิ�?xiaomi purely mask หน้ากากกัน pm25 WORK? Based on the tested particle transmission rate, there are three levels: P1 (FFP1), P2 (FFP2), P3 (FFP3). FFP1 Minimum filtering effect ≥80%，FFP2 Minimum filtering effect ≥94%，FFP3 Minimum filtering effect ≥97%. So FFP1 masks is the lowest level face mask.

N95 mask

N95 is one of NIOSH's ratings for particulate filter respirator protection standards. "N" means Not resistant to oil, and "95" means the filtration efficiency is 95% or above. In addition to 95, there are classifications of N99 (the filtration efficiency is not less than 99%) and N100 (the filtration efficiency is not less than 99.97%),รีวิ�?xiaomi purely mask หน้ากากกัน pm25 Wholesale Utimate Guide.

FFP3 mask

FFP3 mask refers to masks that meet European (CE EN1409: 2001) standards. The standards of European protective mask are divided into three levels: FFP1, FFP2, FFP3. รีวิ�?xiaomi purely mask หน้ากากกัน pm25 OF COVID-19,It is different from the American standard in that it uses a detection flow rate of 95 L / min and uses DOP oil to dust.

FFP2 mask

FFP2 mask refers to masks that meet European (CE EN1409: 2001+A1:2009) standards. The standards of European protective mask are divided into three levels: FFP1, FFP2, FFP3. Europe uses DOP oil to dust,What are the types of รีวิ�?xiaomi purely mask หน้ากากกัน pm25.