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PAPRs use only HE filters, which have a greater filtration efficiency against the smallest pathogen particles compared to face-filtering respirators (FFRs)
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Challenges in verbal communication
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PAPR systems have assigned protection factors (APF) of at least 25
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May limit the visual field
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Provides eye protection (hooded models only)
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Inability to auscultate chest
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PAPRs with loose-fitting headgear can be worn with a limited amount of facial hair
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Proper maintenance of PAPR requires disinfection, cleaning, safe storage, and battery maintenance
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Inability to re-use disposable filters between patients (need a large supply of filters)
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Risk of battery failure and inadvertent exposure
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Requires decontamination after use
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More expensive than individual N95 respirator (although achieve more wears per piece of equipment with PAPR)
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Requirement for the education of a significant proportion of HCW workforce
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