510(k) Report

510(k) · Cleared

Cleared

Air Safety Model 3000/06 Filter Hepa Reusable

K050953510(k) TraditionalCleared Jun 29, 200575-day reviewClass II21 CFR 868.5260

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Air Safety, Ltd. · CAH Filter, Bacterial, Breathing-Circuit

Cleared on Jun 29, 2005 as substantially equivalent to K033008 (Air Safety, Ltd., 2004) and 1 other predicate after a 75-day review. Its family tree reaches back 3 generations to 1994.

Decided
Jun 29, 2005
Review
75 days
Class
Class II
Product code
CAH
Recalls
None
Predicates
2

Its longest line of descent runs back 3 generations to K941381 (1994). 11 ancestors in all, the oldest K890362 (1989). No later device cites it as a predicate yet.

Other ancestors, by year cleared 1989: 1 other ancestor2002: 1 other ancestor2001: 3 other ancestors1994: 3 other ancestorsK941381 · Hygrobac,S Hygroboy and Hygrobaby · Mallinckrodt Medical · 1994 · recalledK013089 · Ems Hepa Filter and Hme Combinations · Engineered Medical Systems · 2002K033008 · Air Safety Hepa and Non-Hepa Filters · Air Safety, Ltd. · 200419851990199520002005
Other ancestors, by generation 1 generation back: 1 other ancestor2 generations back: 2 other ancestors3 generations back: 5 other ancestors K033008 · Air Safety Hepa and Non-Hepa Filters · Air Safety, Ltd. · 2004K013089 · Ems Hepa Filter and Hme Combinations · Engineered Medical Systems · 2002K941381 · Hygrobac,S Hygroboy and Hygrobaby · Mallinckrodt Medical · 1994 · recalled0
  1. Root · 3 generations backK941381 Hygrobac,S Hygroboy and HygrobabyMallinckrodt Medical · 1994 · Recalled
  2. 2 generations backK013089 Ems Hepa Filter and Hme CombinationsEngineered Medical Systems · 2002
  3. 1 generation backK033008 Air Safety Hepa and Non-Hepa FiltersAir Safety, Ltd. · 2004
  4. This deviceK050953 Air Safety Model 3000/06 Filter Hepa ReusableAir Safety, Ltd. · 2005
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K941381Hygrobac,S Hygroboy and HygrobabyMallinckrodt Medical19941
−2K013089Ems Hepa Filter and Hme CombinationsEngineered Medical Systems2002—
−1K033008Air Safety Hepa and Non-Hepa FiltersAir Safety, Ltd.2004—
0 (this device)K050953Air Safety Model 3000/06 Filter Hepa ReusableAir Safety, Ltd.2005—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199430
200130
200210
FIG. 1 — Lineage of K050953, 1994–2005Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in CAH? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new CAH device

  1. #1 K251583 Ambu® Virobac II® Exhalation Filterscore 11.6 · 2 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (2)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K033008Air Safety Hepa and Non-Hepa Filters
Summary page 1
…ial / Viral Filters Classification Name: Filter, Bacterial, Breathing Circuit, CAH Predicate Devices: Air Safety- Model 3000/04 - K033008 PB Omniflow Filter - K890362 IDevice Description] The Air Safety Model 3000/06 HEPA filt…
Air Safety, Ltd.2004—
*K890362Omnifilter Main Flow Bacteria Filter
Summary page 1
…Bacterial, Breathing Circuit, CAH Predicate Devices: Air Safety- Model 3000/04 - K033008 PB Omniflow Filter - K890362 IDevice Description] The Air Safety Model 3000/06 HEPA filter is a multi-use, reusable ventilator in-line filter which connects…
Puritan Bennett Corp.1989—

Also cleared against K033008: 3 other devices →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 11 years and passes through 3 companies; a new generation was cleared every 2.2 years on median.
  • 3 of the 11 ancestors have a recall of any class.
  • 3 other devices also cite its predicate K033008.

How does its category compare?

All CAH devices

CAH Filter, Bacterial, Breathing-Circuit: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CAH

2in 2024

2007: 22008: 12009: 42010: 52011: 32012: 32013: 12014: 42015: 22017: 12019: 22020: 22021: 22022: 32023: 32024: 22026 (partial year): 2
2007high 5 (2010) · low 0 (2016)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CAH

237in 2023

2009: 111 days median2010: 216 days median2011: 281 days median2012: 212 days median2014: 250 days median2022: 204 days median2023: 237 days median
2007high 281 (2011) · low 111 (2009)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · CAH

1in 2025

2010: 22013: 12014: 12017: 12022: 6, 6 Class I2025: 1, 1 Class I
2007high 6 (2022) · low 0 (2007)2026

Class I (7 since 2007) Class II/III not classified

Adverse event reports per year · CAH

77in 2025

2007: 322008: 272009: 182010: 402011: 92012: 162013: 472014: 982015: 512016: 342017: 292018: 332019: 302020: 332021: 562022: 672023: 402024: 512025: 77
2007high 98 (2014) · low 9 (2011)2025

MAUDE reports naming product code CAH, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20072—032
20081—027
20094111018
20105216240
2011328109
20123212016
20131—147
20144250198
20152—051
20160—034
20171—129
20180—033
20192—030
20202—033
20212—056
202232046 (6)67
20233237040
20242—051
20250—1 (1)77
20262—0—

What is it indicated for?

Filtration of exhaled gases in the ventilator circuit.

Model 3000/06 to be placed in the exhalation pathway of the ventilator circuit where filtration of the expired gases is desired. Filter is reusable up to 100 times, extended use as determined by the increase in airflow resistance, which is determined during self testing (SST) mode of the ventilator. For use with the Series 700 and 7200 NPB ventilators.

Cleaning method - autoclaved - 30 minutes with 3 minutes at 134°C.

Environment of Use -- Hospital, Sub-acute Institutions

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K050953: Air Safety Model 3000/06 Filter Hepa Reusable.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K050953

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026