| K210558 | LiteAire Basic Dual-Valved, Collapsible MDI Holding Chamber | Thayer Medical Corporation |
| K181649 | AeroChamber Plus* Flow-Vu* Anti-Static Valved Holding Chamber (VHC) | Trudell Medical International |
| K160109 | Thayer Medical LiteAire Dual-valved, Collapsible MDI Holding Chamber | THAYER MEDICAL CORPORATION |
| K143615 | Antistatic Compact Space Chamber | MEDICAL DEVELOPMENTS INTERNATIONAL LIMITED |
| K140062 | FSC ANTI-STATIC VALVED COLLAPSIBLE HOLDING CHAMBER | FSC LABORATORIES, INC. |
| K130598 | INSPIRACHAMBER ANTI-STATIC VALVED HOLDING CHAMBER | INSPIRX, INC. |
| K122252 | SPACE CHAMBER PLUS COMPACT SPACE CHAMBER PLUS | MEDICAL DEVELOPMENTS INTERNATIONAL |
| K112010 | AEROCHAMBER PLUS FLOW-VU ANTI-STATIC VALVED HOLDING CHAMBER (VHC) | TRUDELL MEDICAL INTL. |
| K110293 | OPTICHAMBER DIAMOND VALVED HOLDING CHAMBER | RESPIRONICS NEW JERSEY, INC. |
| K110136 | RESPICHAMBER VALVED HOLDING CHAMBER | TRUDELL MEDICAL INTL. |
| K101348 | AGACHAMBER SPACER | AGAPLASTIC IND. COM. LTDA. |
| K101136 | FISIO CHAMBER SPACE | KOO(SHANGHAI)INDUSTRIES CO., LTD. |
| K080100 | WATCHHALER | ACTIVAERO AMERICA, INC. |
| K070674 | AEROCHAMBER PLUS ANTI-STATIC VALVED HOLDING CHAMBER WITH FLOW-VU INSPIRATORY FLOW INDICATOR | TRUDELL MEDICAL INTL. |
| K052332 | AEROCHAMBER Z-STAT PLUS VALVED HOLDING CHAMBER | TRUDELL MEDICAL INTL. |
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