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| Type | Flat earloop type |
| Structure | Consisting of mask body,mask band and nose clip |
| Material | Non-Woven Fabric |
| Instruction | Turn foloed side out,nose bar side up |
| Product Protection Effect Level | Level A |
| External Size(mm) | 180*95 (with 3 layers) |
| Recommended Using Time | 4~6 hours |
| Validity | 2 years |
| Storage Condition | Keep in a sealed,cool and dry condition |