| Carbon filter | 04250365111453 | Class I | |
| Car power cable, connection: 12 V~ | 04250365133974 | Class I | |
| Carrying bag ATMOS LC 27 | 04250365191424 | Class I | |
| Carrying bag, black | 04250365132878 | Class I | |
| Carrying board for emergency oxy unit | 04250365186048 | Class I | |
| Carrying handle for ATMOS C 051 Thorax | 04250365190311 | Class I | |
| Carrying strap for ATMOS devices | 04250365132045 | Class I | |
| Catheter holder, dimensions 90 x 90 x 350 mm | 04250365181074 | Class I | |
| Catheter holder for trolley | 04250365182057 | Class I | |
| Catheter tubular | 04250365187359 | Class I | |
| Ceiling stand | 04250365177701 | Class I | |
| Charger storage for bracket ATMOS C 051 Thorax | 04250365190557 | Class I | |
| Connection hose-A (orange-orange), 3 m | 04250365193800 | Class I | |
| Connection hose-A (orange-orange), 5 m | 04250365193817 | Class I | |
| Connection hose-A (standard-orange), 5 m | 04250365193794 | Class I | |
| Connection hose-D (orange-orange), 3 m | 04250365193824 | Class I | |
| Connection hose-D (orange-orange), 5 m | 04250365193831 | Class I | |
| Connection hose-D (orange-standard), 5 m | 04250365193787 | Class I | |
| Connection hose-D (standard-standard), 3 m | 04250365193848 | Class I | |
| Connection hose-D (standard-standard), 5 m | 04250365193855 | Class I | |
| Connection tube AGSS with shunt air opening, 3 m | 04250365182125 | Class I | |
| Connection tube AGSS with shunt air opening, 5 m | 04250365182132 | Class I | |
| Connection tube AGSS with shunt air opening, 7 m | 04250365185768 | Class I | |
| Connection tube AGSS w/o shunt air opening, 3 m | 04250365182507 | Class I | |
| Connection tube AGSS w/o shunt air opening, 5 m | 04250365182514 | Class I | |