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Building PeRSo respirators for
NHS frontline staff

The PeRSo project is a collaboration between the University of Southampton, University Hospital Southampton, Wessex Academic Health Science Network and INDO on behalf of Baynhams. For more information about the history of the project, please click here.

The Challenge

In April 2020, the Covid-19 pandemic created a global shortage of personal protective equipment with significant challenges in the supply chain for adequate provision of typical multi-layered fabric face masks. Disposable face masks have limited success in the emergency environment with frequent failure during use and loss of appropriate protection against the virus whilst wearing. HSE guidance (HSG53) recommends that disposable face masks are used for <1 hour of continuous use, whereas PAPRs (powered air purifying respirators) are recommended for >1 hour of continuous use.

The solution

In collaboration with the NHS and our technical lighting company INDO, PeRSo was developed.


Benefits of the PeRSo - Personal Respirator/Powered Air Purifying Respirator (PAPR)

  • Addresses the issues of poor fit.

  • Significantly increases comfort to ensure protection against airborne pathogens

  • Communication is easier through a visor with additional protection properties provided to the wearer and improvement in patient care. 

  • Healthcare providers using PAPRs have proven to dramatically reduce the infection rate of healthcare workers when compared with other providers using multi-layered fabric face masks.


Based on the initial designs carried out by the University of Southampton, and delivered by UK manufacturer INDO, Baynhams is proud to offer the PeRSo range of PAPRs.

The PeRSo 3.2 PAPR is full type approved by BSI.

View upgrade training videos for PeRSo 3 here.

BBC South - PeRSo Respirator rolled out nationally

PeRSo 3.2 - Powered Air Purifying Respirator with H32 Hood

PeRSo 3 with H32 Hood
INDO Baynhams PeRSo 3 with H32 hood

Two Hood Options

Full overhead - H31

Exposed ears - H32

If you require more than 10 units, please request a quote via the form below:

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