| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| berkey water filter reviews 2021 | 0.37 | 0.2 | 2418 | 89 |
| berkey water filter reviews 2022 | 0.16 | 0.8 | 9983 | 20 |
| berkey water filter reviews 2020 | 1.2 | 0.8 | 2148 | 64 |
| berkey water filter reviews 2023 | 1.8 | 0.8 | 5898 | 9 |
| berkey water filter reviews 2015 | 1.01 | 0.7 | 3236 | 95 |
| berkey water filter reviews 2017 | 0.9 | 1 | 1701 | 12 |
| berkey water filter reviews 2018 | 1.1 | 0.4 | 9307 | 21 |
| small berkey water filter review | 0.24 | 0.1 | 9319 | 67 |
