Devices descending from K964979
3 later devices reach Porous Media DBF23 Disposable Respiratory Filter through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K032716 | Portex Thermovent Hepa Hme Breathing Filter with CO2 Port (Sterile and Non-Sterile) | Portex, Ltd. | 2003 | 0 | — |
| +1 | K014281 | Gard Filter, Combigard Filte / Hme | Munktell Filter AB | 2002 | 0 | — |
| +1 | K982127 | Porous Media DEF25 Disposable Respiratory Filter | Porous Media Corp. | 1998 | 0 | — |