claim: modified full-face snorkel masks as reusable personal protective equipment for vaccination personnel
evidence_1: the benefit of the pneumask as ppe is that it is reusable for longer periods than typical disposable n95 respirators, as the snorkel mask can withstand rigorous decontamination protocols (that are standard to regular elastomeric respirators).", "key points full-face snorkel masks are adapted for use as personal protective equipment during the covid-19 crisis, using a custom adapter that facilitates the attachment of inline medical-grade respiratory filters or niosh industrial respirator filters.", 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  "these tests found the pneumask capable of forming a seal that exceeds the standards required for half-face respirators or n95 respirators.")