Ivysaur@lemmygrad.ml to the_dunk_tank • 2 months agoGreat country we’ve got, hereimagemessage-square71 fedilinkarrow-up1174file-text
arrow-up1174imageGreat country we’ve got, hereIvysaur@lemmygrad.ml to the_dunk_tank • 2 months agomessage-square71 Commentsfedilinkfile-text
minus-squareD61 [any]hexbear1·2 months agoFancier ones can have flutter valves that do that, like the dust masks with disposable filter cartridges. link
Do ventilators filter exhalation?
Not all of them, but some do.
Fancier ones can have flutter valves that do that, like the dust masks with disposable filter cartridges.