| K062091 | POROUS MEDIA HUMIDIFLOW HUMIDIFIER FOR UNIVERSAL HUMIDIFICATION | August 8, 2006 |
| K061426 | OXYGEN CONCENTRATOR FILTERS, MODELS DBF32, DBF24, DBF27, DBF25, DFC06 AND DDF47 | June 5, 2006 |
| K990276 | POROUS MEDIA DPB30 SERIES DISPOSABLE PRE-BYPASS FILTER | October 1, 1999 |
| K982385 | POROUS MEDIA DPB20 SERIES DISPOSABLE PRE-BYPASS FILTER | February 1, 1999 |
| K982127 | POROUS MEDIA DEF25 DISPOSABLE RESPIRATORY FILTER | June 23, 1998 |
| K965020 | POROUS MEDIA DBF23 REUSABLE RESPIRATORY FILTER | March 14, 1997 |
| K964979 | POROUS MEDIA DBF23 DISPOSABLE RESPIRATORY FILTER | March 11, 1997 |
| K952428 | POROUS MEDIA DBF23-R REUSABLE RESPIRATORY FILTER | July 7, 1995 |
| K934132 | POROUS MEDIA DBF23 DISPOSABLE RESPIRATORY FILTER | October 4, 1994 |