Description
| Size | Below Capacity | Oxygen Reservoir Capacity | |
| No.5 | Adult | 1500ml | 2600ml |
| No.3 | Child | 500ml | 700ml |
| No.0 | Infant | 250ml | 500ml |
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| Size | Below Capacity | Oxygen Reservoir Capacity | |
| No.5 | Adult | 1500ml | 2600ml |
| No.3 | Child | 500ml | 700ml |
| No.0 | Infant | 250ml | 500ml |