| Analyzer, gas, carbon-dioxide, gaseous-phase / Cannula, nasal, oxygen | 16 | — |
| Analyzer, gas, carbon-monoxide, gaseous-phase | 34 | — |
| Catheter, nasal, oxygen / Tubing, pressure and accessories | 19 | — |
| Circuit, breathing (w connector, adaptor, y piece) | 64 | — |
| Condenser, heat and moisture (artificial nose) / Accessory to continuous ventilator (respirator) | 15 | — |
| Mask, oxygen | 10 | — |
| Meter, airway pressure (inspiratory force) / Monitor, airway pressure (includes gauge and/or alarm) | 9 | — |
| Mouthpiece, breathing | 11 | — |
| Plethysmograph, pressure | 39 | — |