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Meet with ASTM F2100-2019 Level 1 standardBacterial Filtration Efficiency (BFE) ≥ 95%Particle Filtra.....

BFE>99%PFE>99%VFE>99%ASTM F2100-19 LEVEL 2Hong Kong Q-Mark .....

A) Nelson Lab Tests - Bacteria Filtration Efficiency (BFE) > 99%, Differential Pressure (Delta P).....

GB2626 KN95.....

Through SGS testing in the U.S. laboratory.The report result that BFE filtration rate is over99.9% i.....

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