| 331 | Volumetric/manometric, Carbon-dioxide | Bicarbonate/carbon Dioxide Test System. |
| 331 | Volumetric/manometric, Carbon-dioxide | Bicarbonate/carbon Dioxide Test System. |
| K880967 | MICRO CO2 APPARATUS | HF SCIENTIFIC, INC. |
| K864313 | CO2 REAGENT SET | HF SCIENTIFIC, INC. |
| K832071 | TOTAL CO2 REAGENT SET | AMERICAN RESEARCH PRODUCTS CO. |
| K820091 | AIRMED SMOKE EVACUATION & FILTER | JAMES L. GERACI & ASSOCIATES, INC. |