Description

The Mask\'s/respirator\'s Anti-virus ability rank from high to low: 
KN95≈N95≈FFP2 mask (bfe>99%,pfe>99%) ≈ medical surgical mask (bfe> 99%,pfe>99%) >ordinary medical surgical mask (bfe>95%,pfe>30%)> disposable surgical mask (bfe>95%, no requirement for pfe)> ordinary civil masks (bfe,pfe are not required). 

N95 worn with the best tightness, is so of the highest level of comprehensive protection).
It is Exclusively for the oversea markets, made by listed companies with quality strict identification. 

The test report results to this mask: BFE>99% (this indicator is for anti-virus ability ), PFE>99% (this indicator is for protection ability from tiny particles ). The difference between the above two is the particle size, BFE is usually able to block 3 micron bacterial aerosol, PFE requires to be able to block 0.1 micron NACI aerosol. It is white both Inside and outside, packed in 50 pcs per pack.