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| [title] Alternative High Flow Filter |
| [* black] A-M Systems VB48Max viral rated PFT filters is my current preferred filter for BunnyPAPR. It has 99.99% viral reduction and MUCH lower flow resistance than any anesthesia circuit filter. Nearly doubles airflow compared to anesthesia filters. |
| [* black] Mount using the VB48Max filter adapters instead of usual 22 mm filter adapter. |
| [* black] Best configuration is using two filters. One VB48Max on inflow and ONE outflow with a VB48Max. This removes need for flutter valves and filters both inspired and expired gas. With dual direction filtering, a surgical mask is no longer required. |
| [* black] Surgical mask free and double the airflow makes this a very comfortable configuration. |
| [* black] Viral Filters (AM-systems VB48max) https://www.a-msystems.com/p-1160-vbmax-48-mm-pft-filters-for-koko-sx-koko-pft-koko-legend-koko-trek.aspx |
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