| Specifications for Filtering Face Pieces(eg.Surgical, Procedural, Medical Mask) |
| Test | ASTM F2100 | EN14683 |
| Level 1 | Level 2 | Level 3 | Type IIR |
| Bacterial Filtration Efficiency (%) | ≥95 | ≥98 | ≥98 | ≥98 |
| Differential Pressure (mm) | ＜4.0 | ＜5.0 | ＜5.0 | ＜5.0 |
| H2O/cm² (Pa/cm²) | ＜39.2 | ＜49.0 | ＜49.0 | ＜49.0 |
| Submicron Particulate filtration efficiency at 0.1 micron (%) | ≥95 | ≥98 | ≥98 | Not Required |
| Splash Resistance (mmHg) | 80 | 120 | 160 | 120 |
| Flame Spread | Class 1 | Class 1 | Class 1 | NA |
| Standard |
| Standard Comparison table: |
| Filtering Effect | CHINA | USA | EUROP |
| ≥90% | KN90 | KP90 | - | - | - |
| ≥95% | KN95 | KP95 | N95 | P95 | FFP2 |
| ≥99% | - | - | N99 | P99 | FFP3 |
| ≥99.97% | KN100 | KP100 | N100 | P100 | - |
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