Nelson Lab test certifications

Filter used for Miss Modern HK masks are custom designed to fit all Miss Modern HK masks.

Please find below the test result pertaining to the Filter performance which is designed for 72hours of constant use. (10Days for 7hours)

Nelson Labs are a global provider of laboratory testing and expert advisory services. They perform over 800 rigorous microbiological and analytical laboratory tests for medical device, pharmaceutical, and tissue industries in 16 locations around the world.

Our Filters have been tested and certified by Nelson Labs with the following Filtration Efficiency levels:


VFE: Viral Filtration Efficiency > 99.9 %


PFEPatical Filtration Efficiency > 99.8 %

BFE: Bacterial Filtration Efficiency > 97.55 %