KN95 is a product that protects life. Please choose us with high quality. product features: 1.During the epidemic in China, professionally provide products to the local government. 2.In the test, the local government department randomly selected 10 samples from 5000 products. Give it to the testing agency. Minimum PFE = 99.2 3.Executive standard GB2626-2006, KN95 4.The testing agency that can be found on the CNAS (Can be certified internationally)website 5.The factory has many years of experience in the production of protective masks, not a new manufacturer added during the epidemic 6.Suitable for adults 7. It has five layers of high-quality protection. ①Non-woven Fabric: Filter large particles ② PM2.5 Non-woven Fabric: Filter PM2.5 particles ③Meltblown Cloth: Blocks over 95% of Small particles- NaCl (CMD 0.075um) ④Non-woven Layer: Enhanced filtration of fine particles ⑤Non-woven Skin Layer: Soft and skin-friendly noted: 1.Masks are used to protect lives,please use high-quality products; 2.Listed product is produced and distributed abroad and subject to the laws of its country of origin.For personal protection only.Non-medical masks Before buying a mask, you need to know some knowledge 1.What are the data that affect the protective effect of masks? --PFE(Particle filtration capacity),Generally use NaCl (CMD 0.075um) to test the filtering effect 2. How to identify the true and false report of PFE? --In China, the report of the CNAS accreditation body is valid, it Can be certified internationally)website 3.Please carefully identify the certificate and supplier. 4.For products with too low prices,please consider its efficacy. ​