Each box contains 50 pieces.
- The isolating filtering for the middle layer has a Bacterial Filtration Efficiency (BFE) >= 99%, following the Standard Specification for Performance of Materials Used in Medical Face Masks, which provides the highest level protection.
- Soft & easy to breathe through fluid resistant
- 3 Ply procedure Mask
- Inner layers are made of skin-friendly material.
- Middle layers are made of melt-blown non-woven (isolative filtering material), with bacteria resistance >= 99%.
- Outer layers are made of non-woven waterproof fabric. Non-woven masks are masks that don't contain latex, PVC or DEHP materials.
Virus Filtration Efficiency >=99%
Bacterial Filtration Efficiency >=99%