HS-Maxima surgical face mask to tie blue, 3-ply, pack of 50

Tie-on face mask. Latex-free and fiberglass-free. For excellent comfort and optimum breathability. Product free of microorganisms. All of our masks are produced in an ISO 7 cleanroom and are compatible with the EN ISO 11737-1 standard requirements. Type IIR masks with splash protection comply with the EN 14683:2014 standard. Bacterial filtration efficiency: up to 99%.