AIIR Watch™ Portable HEPA/UV Negative Pressure Machine

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Setra AIIR Watch is an advanced air cleaner designed to be quiet, portable, and effective at neutralizing 99.99% of airborne germs while also increasing air circulation. AIIR Watch has a dual filtration method forcing air through a HEPA filter and by UV light. AIIR Watch is available as an air purifier re-circulator or as a negative pressure generating machine for isolation space applications.

Create negative pressure in any room

In todays world, negative pressure isolation spaces can help more than just hospitals, they can help schools, dentists, nursing homes, and many other businesses resume operations in a safer setting.
The Setra AIIR Watch Negative Pressure Air Quality Module is quiet and compact, and can be easily brought into and installed in isolation spaces to prevent contaminated air from escaping into areas outside the isolation space.

Constant pressure monitoring & display

The Setra AIIR Watch comes with Setra’s industry leading room pressure monitor, the Setra LITE. The Setra LITE can be easily installed outside the isolation space, via a single hook quick mount bracket or in a single gang electrical box, to show a clear indication of room conditions via simple red/green light ring.

Sterilize and remove the air

The Setra AIIR Watch sterilizes the air via the powerful combination of UVC light to inactivate any harmful aerosols and HEPA filter to remove particles. This 99.9% sterilized air is then safely exhausted outside the isolation space, per CDC recommendations for isolation rooms.

Verify Your Space is Negatively Pressurized

Install the Setra Lite Room Pressure Monitor at the entrance to the space using the Quick Mount Kit for easy, one screw installation. The Setra Lite Room Pressure Monitor, included with this Module, will indicate the room status via the sleek and simple red/green light ring.


Features & Benefits

  • Compact Size (18" x 18.5" x 25")
  • Portable with Locking Casters
  • Easy Installation
  • Generates 15 ACH in a 1400 ft³ space
  • Quiet (58 dBA)
  • Instant Visual Filter Clog Alert
  • Self Contained Unit with True HEPA Filter and UV-C, Sanitizes Air by Neutralizing Up to 99.99% of Virus, Bacteria, and Molds


  • COVID-19 Related Isolation Spaces for School Nurse's Offices
  • Long-term Care Facilities and Nursing Homes
  • Hospital Rooms and Temporary Isolation Spaces
  • Dentist Offices
  • Doctor Offices and Other Medical Office Buildings
  • Any Professional or Healthcare Space Looking to Help Keep Customers/Patients Safe

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