# K792097: Dryden Bacteria Filter

- Pathway: 510(k) (Traditional)
- Applicant: Dryden Corp.
- Decided: Nov 13, 1979 after 26 days
- Product code: CAH (Filter, Bacterial, Breathing-Circuit)
- Device class: 2
- Regulation: 21 CFR 868.5260
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
10 later devices descend from it; 1 cites it directly.
0 of 11 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K961914: Bacteria/Viral Filter (1996), 9 descendants of its own
- K052087: Breathing Filter Bacterial/Viral, Model AG7178 (2005), 3 descendants of its own
- K061426: Oxygen Concentrator Filters, Models DBF32, DBF24, DBF27, DBF25, DFC06 and DDF47 (2006), 2 descendants of its own
- K043148: All Flow Pulmonary Function Filter (2004), 2 descendants of its own
- K091363: Compressor Filter, Models AG1038831, HCF100,BF900,BF910,BF950, LL201, LL202, LL205, Bacteria Filter (2010), 1 descendant of its own

Source page: https://510kreport.com/device/K792097
Methodology: https://510kreport.com/methodology