Table 1.
RPDs selected for the study
| ID | Company | Model number | Size |
|---|---|---|---|
| SM1 | 3M | 1800NL | Regular |
| SM2 | KC | 14683 | Regular |
| N95 SMR1 | 3M | 1860 | Regular, small |
| N95 SMR2 | 3M | 1870 | Regular |
| Control N100 | 3M | 8233 | Regular |
| FS Prototype N100 | 3M (modified) | 8233 | Regular |
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