- Layer 1 - Non-woven 40g
- Layer 2 - Ethylene-proplene side by side
- Layer 3 - Melt-blown nonwoven BEF 99% - 25g
- Layer 4 - Melt-blown nonwoven BEF 99% - 25g
- Layer 5 - Non-woven 60g
Unique nose design, adjustable nose clip, thickened sponge pad to ensure a tight fit and more comfort to wear.
The surface layer is needle-punched non-woven fabric, non-toxic, odorless, non-allergic, non-irritating and also has good ventilation performance
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