Changes to Step #9
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| [title] Configuration for Full PAPR |
| [* black] A fan draws room air through an anesthesia viral filter to fill the halo bag. Full mobility is possible with a 12 volt battery pack |
| [* black] However, fan power is limited and steps are needed to enhance airflow volume and routing. Two expiratory valves are a must. You may also need to add corrugated tubing to the halo to better route expirations and reduce fogging. |
| [* black] A higher power, blower fan is a reasonable upgrade to the design. |
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