| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nrb mask | 0.2 | 0.7 | 3888 | 23 |
| nrb mask flow rate | 0.47 | 0.6 | 6574 | 53 |
| nrb mask o2 flow | 1.73 | 0.8 | 725 | 3 |
| nrb mask lpm | 0.73 | 0.3 | 7728 | 41 |
| nrb mask oxygen | 1.33 | 0.9 | 3730 | 68 |
| nrb mask range | 1.41 | 0.9 | 8585 | 75 |
| nrb mask fio2 | 1.52 | 0.4 | 5398 | 20 |
| nrb mask oxygen percentage | 0.72 | 0.3 | 5933 | 8 |
| what is a nrb mask | 0.06 | 0.3 | 727 | 92 |
| venturi mask vs nrb | 1.86 | 1 | 4327 | 36 |
| difference between venturi mask and nrb | 0.2 | 0.6 | 3993 | 43 |
| pediatric nrb mask | 1.59 | 0.1 | 636 | 29 |
| simple mask vs nrb | 1.16 | 0.2 | 8487 | 93 |
| 100% nrb mask | 0.38 | 0.8 | 577 | 49 |
