2 PLYERS F-SERIES 3D MASK :  AFTER SGS TEST, IT FIT IN WITH CLASS 1000 CLEAN ROOM & FACTORY

3 PLYERS F-SERIES 3D MASK : AFTER NELSON TEST(BFE: 99.9%  3.1um), IT FIT IN WITH MEDICAL SYSTEM & FACTORY

4 PLYERS F-SERIES 3D ACTICE CARBON MASK :AFTER INDUSTRAL RESEARCH CARBON TETRACHLORIDE 18.8%, IT FIT TO PREVENT ODOUR IN FACTORY AND LAB.

4 PLYERS F-SERIES 3D ANTI-ALLERY MASK: AFTER PASSED USA PATNET , IT FIT AT HOME AND EVERYPLACE.

4 PLYERS F-SERIES NANO-METER MASK: IT IS GOOD TO PREVENT GERMS AND VIRUS.

5 PLYERS F-SERIES SPECIALITY ELASTICITY MASK: ANTI-ALLERGY + ACTIVE CARBON AND NANO-METER + ACTIVE CARBON AND PHOTOCATALYST

EAR STRIPE:  FLEXIBLE TAPE

PACKING : 1-25 PCS /OPPBAGS, 50-100PCS/BOX, 40-60 BOX/CARTON