100 MASKS Blue ASTM LEVEL 1 Medical Surgical 3 Ply Ear Loop MASKS

Standard: ASTM F2100-19 Level 1. Style: Ear Loop / 3 PLY. Ear loop, 3Ply, Blue color. Pressure of resistance to penetration ≥80 mmHg (Level 1)/ 160mmHg (Level 3). Level: Level ONE. Particulate filtration efficiency≥95%(Level 1) / 98%(Level 3).

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