Using our own technology "TYPE.COOL+" to be super breathable filtering and enhances the performance of the mask incredibly .

And our product is passed below requirement and Certificate 

FDA 

Bacterial Filtration Efficiency BFE>99.9%  

Particulate Filtration Efficiency PFE>99.9% · 

Viral Filtration Efficiency VFE>99.9%  

Prevent droplets and splashes up to 160mmHg

ASTM F2100-19 Level 3 Standard 

EN14683:2009 Type IIR Standard 

MEM Elution Test 

Biocompatibility test of medical materials

Microbial Cleanliness (Bioburedn) Test 

ISO 14644-1 Class 7 Clean Room production Certification 

ISO 13485:2016 medical equipment manufacturer Certification 

Products Obtained CE / EU Certification 

Made in Hong Kong