| Clue | Source | Date |
|---|---|---|
| Fair tiler replaced device for removing pollutants (3,6) | ||
| Device for removing pollutants (3,6) | ||
| What gathers dust when in use? | Universal | 22 Apr 2023 |
| Broadcast riddle, as it might need to be changed during annual maintenance | Irish Times Crosaire | 18 Sep 2015 |
| It just sits there collecting dust | ||
| Car maintenance item | ||
| Automobile part |