Here at ORÅ Mask, we strived to increase comfort with no comprise on safety. To ensure the effectiveness of our products, we partnered with internationally reputable laboratories to complete numerous tests. Here you can find a summary of these tests' results as well as their official certificates/reports.
1. ASTM F2101 Bacterial Filtration Efficiency
Result: 99.58% filtration (avg.)
2. EN 14683:2019 Annex C Differential Pressure
Result: 4.7 ∆P (mm H20/cm2)