... ,highly breathable 2,PFE>99%,BFE>99% 3,Style:Tie on 4,Material: Non Woven 5,CE0197,ISO13485,ISO9001 Denta Face ... .,protect face from the dust,water and bacteria.3. Low breathing resistance with high filtration efficiency. 4. With multi-layered non ... customers' requirements.2Customized Logo/brand printed.3Customized packaging available. Tie-on dental face mask