High quality Level 2 surgical masks with Independent Nelson Lab Report (May 2020) shows the below results:
Please note this product doesn’t qualify for free freight. Shipping is appled at check out **
• Viral Filtration Efficiency (VFE): 99.7%
• Bacterial Filtration Efficiency (BFE): 99.9%
• Fluid Resistance: 120mm Hg
• Differential Pressure (Delta P): 4.4 mmH2O/cm2
• Particulate Filtration Efficiency (PFE): Above 95%
• A similar PFE to most N95 masks & with a higher fluid resistance than some N95 masks, which may only have 80mm Hg.
• Protective 3 layer construction.
• Please note that due to high demand there maybe a delay in dispatch.