Additional information
| Pressure | Low Pressure, Low Pressure, Low Pressure, High Pressure, High Pressure, High Pressure |
|---|---|
| Face-piece | Large, Medium, Small, Large, Medium, Small |
| Pressure | Low Pressure, Low Pressure, Low Pressure, High Pressure, High Pressure, High Pressure |
|---|---|
| Face-piece | Large, Medium, Small, Large, Medium, Small |