| Clue | Source | Date |
|---|---|---|
| Air-purifying device | New York Times | 11 Mar 2023 |
| Device that is never free of charge? | LA Times Daily | 17 Sep 2022 |
| Air purifying gadget | LA Times Daily | 10 Aug 2022 |
| Fête in need of opening — take something to clear the air | ||
| Air purifying gadget | ||
| Air purifying gadget | ||
| Air purifier, of sorts | ||
| Gadget used by some allergy sufferers | ||
| Air-purifier component | ||
| Gadget used by some allergy sufferers |