BFE ≥ 95%, CE certified, three ply material, disposable, ear loops
BFE ≥ 95%, CE certified, 4 layer mask, reusable, ear loops
BFE ≥ 99%, EN 149:2001 + A1:2009 compliant, exhalation valve.
BFE ≥ 98%, clinical EN 14683, type IIr certification, ear loops
