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Differential pressure (ΔP), particle filtration efficiency (PFE), and bacterial filtration efficiency (BFE) of single-layer EC specimens.
| Sample | ΔP (Pa/cm2) | PFE (%) | BFE (%) |
|---|---|---|---|
| EC100 | 118.3 ± 2.0 | 22.8 ± 0.8 | 84.17 ± 0.98 |
| EC200 | 26.6 ± 2.0 | 9.9 ± 0.6 | 50.60 ± 3.52 |
| EC300 | 44.8 ± 1.1 | 17.6 ± 1.2 | 48.27 ± 1.86 |
