1.BFE>=99 (Filtration rate >=99 %)
2. Top USA certification (medical test report)
provides Nielsen detailed test report
3. (protection level >=95) European certificated
inspection free products
4. Europe is open and has sold 2 million Italian
5. ASTM f1862-2000a test method according to
en14683 class - IIR type standard
6.USA 510 (k) exemption
.
