- Adopt 3D split arch skeleton, the filter area is larger and more adequate. even if it is worn for a long time, you can breathe smoothly
- Effectively block bacteria and virus vectors in the air
- 5-layer high-efficiency filtration design
- It can effectively prevent air leakage and reduce fogging of glasses
- The large-diameter cold-flow breathing valve with an outer diameter of 40mm makes the air circulation more smooth
- The 0.3mm ultra-thin silicone valve plate has sensitive resilience and high airtightness
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