| Answer | Crossword Clue |
|---|---|
| FILTER | Aquarium purifier |
| FILTER | Aquarium water purifier |
| ALEMBIC | Purifier |
| OZONE | Water purifier |
| OZONE | Water purifier. |
| CHLORINE | Water purifier |
| BRITA | Water purifier brand |
| IONS | Air-purifier emissions |
| IONIC | .. Breeze (air purifier) |
| IONIZER | Air-purifier component |
| IONIZER | Air purifier, of sorts |
| OZONE | Gas used as water purifier. |
| REMOTEPOSSIBILITY | Memo about why to buy an air purifier? |
