... highly breathable 2,Adjustable nosepiece, earloops 3,PFE>99%,BFE >99% 4, Disposable 5,CE0197,ISO Dental supplyFace ... 2. Adjustable nosepiece, earloops 3. PFE>95~99%, BFE>95~99.9% 4. high filtration efficiency Face Mask Our non ... many three dimensional face masks and BFE degree are 99% and 95%, which depends on the material. ... USD 33,744 18.5 Northern Europe USD 9,120 5.0 Southern Europe USD 3,648 ...