# K061426: Oxygen Concentrator Filters, Models DBF32, DBF24, DBF27, DBF25, DFC06 and DDF47

- Pathway: 510(k) (Traditional)
- Applicant: Porous Media Corp.
- Decided: Jun 5, 2006 after 13 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
Longest line of descent: 6 generations back to K933081 (1994). 16 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 19 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K972614: Twister Oxygen Concentrator Model 600, Twister Oxygen Concentrator W/Opi Model 605, Healthdyne Technologies, Inc. (1998) Summary page 1.
- K043006: Millennium M10 Oxygen Concentrator, Model M10600; with Opi, Model M10605, Respironics, Inc. (2005) Summary page 1.
- K953815: 5 LPM Oxygen Concentrator, Devilbiss Health Care, Inc. (1995) Summary page 1.
- K991722: Devilbiss 5 Liter Oxygen Concentrator, Sunrise Medical Hhg, Inc. (1999) Summary page 1.
- K020386: Invacare Platinum, Models Irc 5LX and Irc 5LX02, Invacare Corp. (2002) Summary page 1.
- K052087: Breathing Filter Bacterial/Viral, Model AG7178, Ag Industries (2005) Summary page 2.

## Most influential descendants
- K091363: Compressor Filter, Models AG1038831, HCF100,BF900,BF910,BF950, LL201, LL202, LL205, Bacteria Filter (2010), 1 descendant of its own
- K131626: Exceleron Bacterial Filters (2014), 0 descendants of its own

## Indications for use
Porous Media oxygen concentrator filters are replacement filters intended for use in oxygen concentrator machines to help remove contaminants, including air borne bacteria and other particulate debris from an air stream. When used with oxygen concentrator machines, the replacement filters may be used in the home, nursing home, patient care facility, etc.

Source page: https://510kreport.com/device/K061426
Methodology: https://510kreport.com/methodology