GIR Disposable Custom Filter for Universal Use, Lab-tested to 99.7% BFE, Quantity of 10 in Pack GIRFMR10WHT - The Home Depot
WATSONS Face Mask Adult 10's-Have a Bacterial Filtration Efficiency (BFE) of Over 95% which can Filter Droplets, Pollen, dust and Other air particulates. : Amazon.in: Home & Kitchen
GIR Disposable Custom Filter for Universal Use, Lab-tested to 99.7% BFE, Quantity of 10 in Pack GIRFMR10WHT - The Home Depot
Surgical Mask Filters 98% of particles/BFE 50/pk
BFE Filter | VFE Filter | Superior Felt & Filtration