| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| best true hepa air purifier 2018 | 1.68 | 0.9 | 4902 | 99 |
| best true hepa air purifier 2018 for smoke | 0.15 | 0.7 | 4699 | 58 |
| 2018 best air purifier true hepa auto sensor | 1.75 | 0.2 | 4456 | 11 |
| best true hepa home air purifier reviews | 1.18 | 1 | 100 | 47 |
| best true hepa filter air purifier | 1.32 | 0.9 | 9058 | 31 |
| best hepa air purifier 2018 | 0.21 | 0.2 | 3395 | 29 |
| true hepa air purifier reviews | 0.48 | 0.4 | 8298 | 26 |
| best true hepa medium room air purifier | 0.86 | 0.6 | 227 | 87 |
| best rated hepa air purifier | 1.52 | 0.2 | 1310 | 25 |
| best hepa air purifier reviews | 1.6 | 0.2 | 7512 | 36 |
| hepa true air purifier | 0.39 | 0.8 | 7532 | 44 |
| best air hepa purifier | 1.73 | 0.9 | 1967 | 69 |
| top rated hepa air purifier | 2 | 0.8 | 6618 | 48 |
| top hepa air purifiers | 1.82 | 0.1 | 5177 | 57 |
