| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| air purifiers for home without filters | 1.7 | 0.9 | 4697 | 26 |
| best air purifiers without filters | 0.25 | 0.8 | 5091 | 83 |
| air purifiers for home filter free | 0.28 | 0.1 | 3011 | 22 |
| air purifiers without replacement filters | 1.95 | 0.4 | 1764 | 90 |
| best filterless air purifiers for my home | 1.88 | 0.4 | 1928 | 32 |
| air purifier without filter replacement | 0.08 | 0.3 | 8040 | 68 |
| best air purifier without filter replacement | 1.37 | 1 | 7576 | 62 |
| best air purifiers with no filters | 1.19 | 0.8 | 853 | 53 |
| best air purifier without a filter | 1.17 | 0.6 | 3406 | 85 |
| best air purifier without washable filters | 0.8 | 0.7 | 4770 | 32 |
| air purifier without filters | 0.06 | 0.9 | 8872 | 96 |
| best filterless air purifiers | 1.45 | 0.2 | 6508 | 57 |
| best air purifier with inexpensive filters | 1.51 | 0.5 | 8437 | 6 |
| best air purifier with affordable filters | 0.49 | 0.1 | 4554 | 8 |
| best air purifier no filter replacement | 1.74 | 0.6 | 2859 | 60 |
| best filter free air purifier | 0.53 | 0.8 | 9622 | 11 |
