Masks are a problem. The automated BCV machines are limited by tubing length. This option gets past that by using the existing valve configuration and two tubing runs to two separate filters preventing the possibility of re-breathing the exhale within a single tube.
Files
Bottom.FCStd
Exhale adapter. Use water from a kettle to soften the mating surface and press it against the mask for custom shaping. Use glue to attach to mask.
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04/03/2020 at 04:58