Table 2.
| Material | Bacteriophage MS2 (23 nm) |
Nanoparticles (<300 nm) |
|---|---|---|
| Source: Davies et al. [9] |
Source: Konda et al. [10] |
|
| Filtration efficiency (%) | ||
| Surgical mask | 89.5 | 76 |
| N95 (FFP2 equivalent) | – | 87 |
| Cotton | ||
| 100% cotton t-shirt, two layers | 50.9 | – |
| 80 TPI, two layers | – | 38 |
| 600 TPI, two layers | – | 62 |
| Cotton quilt, one layer | – | 96 |
| Cotton mix | ||
| Unknown, two layers | 70.2 | – |
| Cotton 600 TPI × 1/silk × 2 | – | 94 |
| Cotton 600 TPI × 1/chiffon × 2 | – | 97 |
| Cotton 600 TPI × 1/flannel × 1 | – | 95 |
| Silk | ||
| Two layers | 58 | 65 |
| Four layers | – | 86 |
| Chiffon, two layers | 83 | |
| Flannel, one layer | 57 | |
| Other household materials, two layers | ||
| Pillowcase | 57.1–68.9 | – |
| Scarf | 48.9 | – |
| Tea towel | 72.5 | – |
| Vacuum cleaner bag, two layers | 86 | – |