24 Jul 40/120/200 Pcs Disposable Face Mask ASTM Level 3 Earloop 98% BFE PFE Micron
High filtration efficiency:BFE ≥ 98% andPFE ≥ 98% at 0.1 micron. 40/120/200 Pcs Disposable Face Mask, ASTM Level 3, Earloop, High Filtration. ASTM Level 3 disposable face masks. Suitable for clinical, dental, and laboratory settings requiring ASTM Level 3 fluid-resistant disposable face masks with high...