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Air Science Releases New Purair® SafeSEARCH Mail Processing Containment Hood

Air Science offers mail handling fume hoods to improve the safe handling and screening of envelopes and packages

by Air Science USA
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Purair® SafeSEARCH Air Science offers mail handling fume hoods to improve the safe handling and screening of envelopes and packages. Despite shipping regulations, fentanyl and other substances that are harmful when ingested, inhaled, or absorbed are often sent, both legally and illegally, via mail. In addition to potential attacks through the shipment of anthrax and explosives, the shipment of fentanyl, drugs, and pharmaceuticals puts mail handlers at risk when packaging is compromised. 

A life-threatening overdose from fentanyl and other synthetic opioids can happen with just one touch or the simple act of inhalation near a compromised envelope or package. While wearing latex gloves during the sorting and handling of mail can help lower risks to workers, the greatest threat comes from breathing in airborne particles. 

As fentanyl and other potentially harmful particulates are often too small to see, workers can be exposed without realizing it. To reduce the risk of exposure to airborne particulates and improve mail handling and mail screening safety, the proper containment hood is essential.

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The Purair® SafeSEARCH is a negative pressure containment system, or ductless fume hood. Negative pressure flow pulls particulates away from the handler while drawing air into the work surface and through the Multiplex™ filter. The Multiplex combines a broad spectrum, general purpose carbon filter with a HEPA/ULPA filter to capture drugs, chemical vapors, and other particulates with greater than 99.999% efficiency. 

The Purair SafeSEARCH provides ideal protection against exposure to fentanyl and other particulates and fumes that compromise personnel safety. The specially designed ductless fume hood improves workplace safety by providing proper containment during the sorting and handling of potentially contaminated envelopes and packages. 

Benefits of Purair SafeSEARCH Mail Processing Containment Hood 

Sustainable and Cost Efficient

  • Reduces the risk of releasing chemical vapors and harmful particulates (like synthetic opioids, anthrax, etc.) into the environment
  • Ductless technology is energy efficient—does not put additional strain on existing facility HVAC systems, eliminates HVAC construction, and saves on utility costs 


  • Protects users from exposure to hazardous drugs, chemical fumes, and particulates
  • Designed to eliminate by-pass leakage
  • Electronic monitoring ensures continued performance and safety
  • HEPA/ULPA filters provide additional safety layer against biologicals 

Flexible and Easy to Use

  • Easily installed in existing or new facilities without HVAC changes
  • Set-up, operation, and filter changes are fast and straightforward
  • Standard sized turnkey models are self-contained, selected models are portable
  • Customization available for unique application requirements, portable units, walk-in or roll-in units for large scale needs, and more 

Custom Mail Processing Containment Hoods and Chambers 

Air Science builds custom enclosures for your specific needs. Each unit is designed to maximize operator safety and accessibility, and is tested and certified to factory specifications and industry standards. We can easily adapt existing models to fit your unique application needs or design and construct a mail handling chamber for larger applications, including those using roll-in carts or requiring walk-in access. 

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