| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| underground air filtration system | 1.03 | 0.3 | 4738 | 44 | 33 |
| underground | 0.45 | 0.1 | 4143 | 1 | 11 |
| air | 1.5 | 1 | 7189 | 55 | 3 |
| filtration | 0.03 | 0.1 | 856 | 81 | 10 |
| system | 1.12 | 0.1 | 7319 | 3 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| underground air filtration system | 1.76 | 0.9 | 6107 | 14 |
| underground bunker air filtration systems | 0.02 | 0.7 | 8395 | 40 |
| air filtration system for underground bunker | 1.59 | 0.1 | 2129 | 37 |
| underground water filtration system | 0.1 | 0.7 | 6088 | 2 |
| indoor air filtration system | 0.17 | 0.5 | 64 | 9 |
| small air filtration system | 0.58 | 0.1 | 5127 | 5 |
| air filtration system for basement | 1.39 | 0.2 | 9889 | 33 |
| filtration system for air | 1.55 | 0.8 | 5215 | 33 |
| air filtration system for home | 1.59 | 0.9 | 9202 | 94 |
| pure air filtration system | 0.8 | 0.8 | 8216 | 17 |
| building air filtration system | 1.38 | 0.2 | 1136 | 7 |
| basement air filtration systems | 1.74 | 0.4 | 4357 | 92 |
| industrial air filtration system | 1.89 | 1 | 7730 | 14 |
| air filtration system for house | 0.22 | 0.9 | 5039 | 97 |
| pure air ultra filtration system | 0.31 | 0.2 | 7707 | 21 |
| filtration of indoor air | 0.63 | 0.5 | 8574 | 88 |
| residential air filtration systems | 0.16 | 0.8 | 1637 | 58 |
| ground water filtration system | 1.79 | 0.4 | 399 | 95 |
