| remove chlorine | 0.56 |
| remove bacteria | 0.48 |
| come in shape | 0.47 |
| remove contaminant | 0.47 |
| remove impurity | 0.45 |
| remove lead | 0.45 |
| remove bad taste | 0.43 |
| remove odor | 0.43 |
| use a manufacturer name | 0.43 |
| remove valuable minerals | 0.41 |
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| installed at the point … | 0.68 |
| replaced | 0.66 |
| easy to install | 0.59 |
| installed | 0.50 |
| created equal | 0.41 |
| equipped with centrifug… | 0.37 |
| tested | 0.34 |
| intended to remove cont… | 0.30 |
| used by hiker | 0.25 |
| manufactured in the for… | 0.25 |
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