| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| niosh certified respirator mask | 0.79 | 0.6 | 8644 | 36 | 31 |
| niosh | 1.46 | 0.1 | 6974 | 32 | 5 |
| certified | 0.87 | 0.3 | 2243 | 86 | 9 |
| respirator | 0.24 | 0.9 | 5008 | 85 | 10 |
| mask | 0.35 | 0.8 | 402 | 2 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| niosh certified respirator mask | 0.12 | 0.9 | 2591 | 29 |
