| Iso-Gard Filter Straight; Humid-Vent Filter Compact Angled (K252643) | Teleflex Medical Sdn. Bhd. | 2026-05-15 |
| Ambu® Virobac II® Exhalation Filter (K251583) | Ambu A/S | 2026-04-30 |
| Besmed Bacterial Filter and HMEF (K241339) | Besmed Health Business Corp | 2024-11-14 |
| Breathing circuit bacterial/viral filter (K222917) | Shaoxing Haitech Medical Products Co., Ltd. | 2024-02-15 |
| Passy Muir Tracheostomy Viral & Bacterial Airway Protection Filter (PM-APF15) (K230483) | Passy-Muir, Inc. | 2023-09-16 |
| TNI Clear-Guard™ 3 angled breathing filter (1545020) (K223258) | Intersurgical , Ltd. | 2023-06-15 |
| Filter and HME/Filter (K221472) | Ningbo Huakun Medical Equipment Co., Ltd. | 2023-02-08 |
| Filter CareStar Plus, Filter SafeStar Plus, Filter/HME TwinStar Plus (K221836) | Drägerwerk AG & Co. KGaA | 2022-12-07 |
| EasyOne Filter (K221250) | Ndd Medizintechnik AG | 2022-11-22 |
| GGM Breathing Circuit Bacterial Filter (K210352) | Great Group Medical Co, Ltd. | 2022-03-27 |
| Ultipor U55/U55N Breathing Circuit Filter and Heat and Moisture Exchanger (K211286) | Pall Corporation | 2021-11-16 |
| Bact-Trap Filter, Bact-Trap Mini, Bact-Trap Midi, Pharma Mini HME/Filter, Bact-HME HME/Filter and Bact-HME Midi HME/Filter (K202459) | Pharma System AB | 2021-09-26 |
| HepaShield Bacterial Viral Breathing System Filter (K191909) | Flexicare Medical Limited. | 2020-03-23 |
| Altera Filter and HME/Filter (K192713) | Meditera Tibbi Malzeme San VE Tic AS | 2020-03-16 |
| Servo Guard (K182862) | Maquet Critical Care AB | 2019-10-21 |
| SafeBreath Filter Mouthpiece (K190022) | MD Diagnostics Limited | 2019-09-25 |
| ThermoShield HME Filter (K163300) | Flexicare Medical Limited. | 2017-03-22 |
| Breathing circuit bacterial/viral filter (K151498) | Zhejiang Haisheng Medical Device Co., Ltd. | 2015-12-18 |
| INTER-THERM PEDIATRIC HMEF, INTERN-THERM MINI PEDIATRIC ANGLED HMEF (K141087) | Intersurgical Incorporated | 2015-02-12 |
| VR MEDICAL HEAT AND MOISTURE EXCHANGER AND FILTER (K132709) | Vr Medical | 2014-07-30 |
| AF VIRAL/BACTERIAL FILTER, BF VIRAL/BACTERIAL FILTER (K132679) | Galemed Corp. | 2014-04-18 |
| EXCELERON BACTERIAL FILTERS (K131626) | Exceleron Medical | 2014-02-26 |
| RT016 INSPIRATORY FILTER (K133666) | Fisher & Paykel Healthcare, Ltd. | 2014-02-05 |
| HYRDROMAX HMEF (K130664) | A-M Systems | 2013-06-21 |
| WESTMED, INC.'S BLOCKAIDE FILTER [21 CFR 807.87(A)] (K121382) | Westmed, Inc. | 2012-12-06 |
| FLO-GUARD BREATHING FILTER (K121026) | Intersurgical, Inc. | 2012-11-02 |
| HUMID-VENT HEPA (K112958) | Teleflex Medical | 2012-09-21 |
| MEDISIZE RED AND MEDISIZE BLUE (K110246) | Qserve America, Inc. | 2011-11-04 |
| MICROGARD II (K111408) | Carefusion Germany 234 GmbH | 2011-10-17 |
| SUNSET HEALTHCARE SOLUTIONS BACTERIAL/VIRAL HME FILTER, MODEL BHF 104 (K102483) | Sunset Healthcare Solutions, LLC | 2011-09-13 |
| INTERSURGICAL INTER-THERM BREATHING FILTER AND HEAT AND MOISTURE EXCHANGER, INTERSURGICAL INTER-GUARD BREATHING FILTER (K092451) | Intersurgical, Inc. | 2010-10-29 |
| FIL 1520 (K101629) | Glenn Medical Systems, Inc. | 2010-07-09 |
| HYDRO-GUARD MINI BREATHING FILTER AND HEAT AND MOISTURE EXCHANGER AND AIR-GUARD CLEAR BREATHING FILTER (K092409) | Intersurgical, Inc. | 2010-03-10 |
| BACT-TRAP HEPA MIDI (K093426) | Pharma Systems AB | 2010-02-22 |
| COMPRESSOR FILTER, MODELS AG1038831, HCF100,BF900,BF910,BF950, LL201, LL202, LL205, BACTERIA FILTER (K091363) | Ag Industries | 2010-02-04 |
| FLEXICARE BREATHING FILTERS (K092218) | Flexicare Medical, Ltd. | 2009-10-06 |
| THERMOFLO HCH, THERMOFLO FILTER (K090738) | Arc Medical, Inc. | 2009-07-27 |
| 70530-BACTIAL/VIRAL FILTER, 70531-HMEF, 70536-BACTERIAL/VIRAL FILTER (K091185) | Hsiner Co., Ltd. | 2009-07-24 |
| MEDISIZE BLUE, MEDISIZE GREEN, MEDISIZE RED (K081536) | Medisize BV | 2009-01-23 |
| FILTER CARESTAR 30; FILTER SAFESTAR 55; FILTER/HME TWINSTAR 55 (K072002) | Draeger Medical AG & Co. KG | 2008-01-31 |
| A-M SYSTEMS VIROMAX VIRAL AND BACTERIAL FILTER (K063526) | A-M Systems, Inc. | 2007-06-29 |
| FILTERFLO HEPA; THERMOFLO HEPA (FILTER / HME) (K063125) | Arc Medical, Inc. | 2007-04-13 |
| OXYGEN CONCENTRATOR FILTERS, MODELS DBF32, DBF24, DBF27, DBF25, DFC06 AND DDF47 (K061426) | Porous Media Corp. | 2006-06-05 |
| BREATHING FILTER BACTERIAL/VIRAL, MODEL AG7178 (K052087) | Ag Industries | 2005-12-14 |
| RT019 INSPIRATORY/EXPIRATORY FILTER (K050927) | Fisher & Paykel Healthcare, Ltd. | 2005-08-01 |
| AIR SAFETY MODEL 3000/06 FILTER HEPA REUSABLE (K050953) | Air Safety, Ltd. | 2005-06-29 |
| MIN-FILTER/S, UNI-FILTER JUNIOR, UNI-FILTER/S ANGLED AND UNI-FILTER (K043120) | Datex-Ohmeda, Inc. | 2005-03-01 |
| ALL FLOW PULMONARY FUNCTION FILTER (K043148) | Alliance Tech Medical, Inc. | 2004-12-13 |
| KUNG SHIN, HMEF SK203 (K032878) | Kung Shin Plastics Co., Ltd. | 2004-09-20 |
| CLEAR-THERM MICRO HME, MODEL 1441 (K032322) | Intersurgical, Inc. | 2004-05-13 |
| AIR SAFETY HEPA AND NON-HEPA FILTERS (K033008) | Air Safety, Ltd. | 2004-05-13 |
| SERVO GUARD, MODEL 64 81 290 EH88E (K030071) | Maquet, Inc. | 2004-04-26 |
| PORTEX THERMOVENT HEPA HME BREATHING FILTER WITH CO2 PORT (STERILE AND NON-STERILE) (K032716) | Portex , Ltd. | 2003-11-28 |
| VENTLAB BACTERIAL FILTER, MODEL BF100 (K030271) | Ventlab Corp. | 2003-07-07 |
| DATEX-OHMEDA MINI-FILTER/S AND UNI-FILTER JUNIOR (K030990) | Datex-Ohmeda | 2003-06-25 |
| CLEAR-THERM 3 HMEF, CLEAR-THERM 3 WITH SUPERSET CATHETER MOUNT,CLEAR-THERM WITH FLEXIBLE CATHETER MOUNT,CLEAR-GUARD 3 F3 (K024270) | Intersurgical, Inc. | 2003-06-24 |
| DATEX-OHMEDA HMEF 750 (K031653) | Datex-Ohmeda | 2003-06-20 |
| DATEX-OHMEDA HMEF MINI (K023641) | Datex-Ohmeda | 2002-11-27 |
| DATEX-OHMEDA HMEF 500 (K021265) | Datex-Ohmeda | 2002-08-30 |
| PALL ULTIPOR ANESTHESIA BREATHING SYSTEM (K013093) | Pall Medical | 2002-08-01 |
| GARD FILTER, COMBIGARD FILTE / HME (K014281) | Munktell Filter AB | 2002-06-26 |
| BACSTOP FILTER,BACSTOP FILTER/HME (K014282) | Munktell Filter AB | 2002-06-26 |
| TERUMO GAS FILTER (K021020) | Terumo Cardiovascular Systems Corp. | 2002-06-10 |
| EMS ELECTROSTATIC FLITER AND HME COMBINATION (K013122) | Engineered Medical Systems | 2002-04-19 |
| EMS HEPA FILTER AND HME COMBINATIONS (K013089) | Engineered Medical Systems | 2002-03-14 |
| BREATHING CIRCUIT FILTER (K012958) | Emergency Filtration Products, Inc. | 2002-02-22 |
| FILTERFLO H (K011212) | Arc Medical, Inc. | 2001-12-20 |
| RENMED CONTAMI-SHIELD BREATHING CIRCUIT SLEEVE, MODEL 9999/01 (K013200) | Rennels Medical Corp. | 2001-12-14 |
| MS-140 ALL-ROUND ENHANCED PERFORMANCE FILTER; MS-141 ALL-ROUND ENHANCED PERFORMANCE ANGLED; MS-142 ALL-ROUND/HME ENHANCE (K012485) | King Systems Corp. | 2001-10-09 |
| END EXPIRATORY FILTER, MODEL RT020 (K002839) | Fisher & Paykel Healthcare, Ltd. | 2001-10-04 |
| AIRLIFE HEPA FILTER (K011132) | Allegiance Healthcare Corp. | 2001-06-08 |
| SLEEVED FILTER (K010040) | King Systems Corp. | 2001-03-09 |
| ELECTROSTATIC HYDROPHOBIC BREATHING FILTER (K002201) | Sims Portex, Inc. | 2001-02-05 |
| BREATHING FILTER FOR DISPOSABLE ANESTHESIA BREATHING CIRCUIT (K002506) | Sims Portex, Inc. | 2000-12-14 |
| VBMAX (K000654) | A-M Systems, Inc. | 2000-11-14 |
| CLEAR-GUARD II, CLEAR-THERM HMEF, CLEAR-THERM HMEF W/ FLEXTUBE, CLEAR GUARD 11 W/ GAS MONITORING PORT (K990949) | Intersurgical, Inc. | 1999-06-15 |
| CLEAR-GUARD MIDI, CLEAR-GUARD MIDI W/FLEXTUBE, CLEAR-THERM MINI, CLEAR-THERM MINI W/FLEXTUBE, MODELS 1644,1644-T,1831,18 (K983610) | Intersurgical, Inc. | 1999-04-30 |
| BREATHING CIRCUIT BACTERIAL FILTER/HEAT AND MOISTURE EXCHANGER (HME/F) (K983817) | King Systems Corp. | 1999-03-01 |
| LICHEN, BACTERIAL IN LINE BREATHING FILTER (K980662) | Dhd Healthcare Corp. | 1998-09-14 |
| CIRCUIT GUARD (K982239) | Arc Medical, Inc. | 1998-08-14 |
| POROUS MEDIA DEF25 DISPOSABLE RESPIRATORY FILTER (K982127) | Porous Media Corp. | 1998-06-23 |
| BREATHING CIRCUIT BACTERIAL FILTER (K973797) | King Systems Corp. | 1998-03-12 |
| ZEFON ADULT ANESTHESIA BREATHING CIRCUIT WITH FILTER, ZEFON PEDIATRIC ANESTHESIA BREATHING CIRCUIT WITH FILTER (K973238) | Bill Olson Corp. | 1998-03-11 |
| 72 HOUR USE TRACH CARE WITH MICROBAN (K974630) | Ballard Medical Products | 1998-03-11 |
| ISO-GARD FILTER ANGLED(18212)/ISO-GARD FILTER STRAIGHT(19212) (K965016) | Gibeck, Inc. | 1997-12-02 |
| SPIROSAFE FILTER (K973314) | Micro Direct, Inc. | 1997-11-21 |
| FILTER (K970102) | Promedic, Inc. | 1997-06-24 |
| HUMID-VENT FILTER COMPACT ANGLED (18402)/HUMID-VENT FILTER COMPACT STRAIGHT(19402) (K964382) | Gibeck, Inc. | 1997-04-15 |
| POROUS MEDIA DBF23 REUSABLE RESPIRATORY FILTER (K965020) | Porous Media Corp. | 1997-03-14 |
| POROUS MEDIA DBF23 DISPOSABLE RESPIRATORY FILTER (K964979) | Porous Media Corp. | 1997-03-11 |
| 9000 SERIES FILTER & FILTER/HME (K963053) | Enternet Medical, Inc. | 1997-02-21 |
| ANESTHESIA BREATHING CIRCUIT/ANESTHESIA BREATHING KIT (K962045) | Mallinckrodt Medical | 1996-11-26 |
| ENGSTROM HMEF 1000 (K964204) | Datex Engstrom AB | 1996-11-13 |
| RESPIRGARD II, SPIROGARD (K961838) | Marquest Medical Products, Inc. | 1996-10-18 |
| MERCURY MEDICAL CPR BAG EXHALATION FILTER (K954490) | Mercury Medical | 1996-10-03 |
| BACTERIA/VIRAL FILTER (K961914) | Hudson Respiratory Care, Inc. | 1996-08-14 |
| ISO-GARD HEPA FILTER-HME, ISO-ARD HEPA FILTER-HME W/PORT (K954828) | Gibeck, Inc. | 1996-05-02 |
| WESTMED PEDIATRIC BACTERIAL/VIRAL FILTER (K953687) | Westmed Intl. | 1995-09-18 |
| POROUS MEDIA DBF23-R REUSABLE RESPIRATORY FILTER (K952428) | Porous Media Corp. | 1995-07-07 |
| PFT FILTER (K952062) | Intertech Resources, Inc. | 1995-06-08 |