Whitley A135 HEPA Workstation

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The Whitley A135 HEPA is a tall, wide, anaerobic workstation fitted with the unique internal HEPA filtration system. Like our other anaerobic chambers, it provides excellent conditions for the processing, incubation and examination of samples without exposure to atmospheric oxygen. With an internal volume of 950 litres, this workstation can accommodate a variety of laboratory equipment, eg cell sorters, colony pickers, high throughput bio-reactors, microscopes and spiral platers such as the Whitley WASP Touch.

Fitted with the unique Whitley Internal HEPA Filtration System. All the atmosphere passes through the filter hundreds of times an hour, which ensures the chamber environment is cleaned quickly. DWS filters are located inside the workstation, which prevents the filter becoming saturated with moisture and rendered ineffective.

The internal atmosphere is circulated continuously - contributing to even temperature distribution and ensuring any internal particulates will be in motion before capture by the filter. Levels of atmospheric cleanliness inside the workstation exceed the requirements of ISO 14644 Class 3. Proof of atmospheric cleanliness can be provided on request.

As well as providing ideal conditions for anaerobic studies, this workstation operates from two gas supplies for the most cost-effective running conditions.

  • The built-in rapid airlock ensures samples can be transferred into the workstation atmosphere as soon as possible (takes only 60 seconds).
  • Fitted with a removable front to facilitate thorough cleaning, easy replacement of the HEPA filter, and the transfer of bulk samples and larger pieces of equipment for use in the workstation.
  • Fully integrated gas control avoids bulky add-on systems - reduces the need for additional bench space.
  • A colour, touch-screen control panel for ease of use and for visual display of parameters such as temperature, humidity, and airlock cycle status.
  • Includes an automatic commissioning cycle to save you time and resources.
  • Options include an integrated Anaerobic Conditions Monitor with data download facility.

View Specification


Capacity (litres)
Airlock Capacity
40 Petri dishes
Airlock Size (litres)
Porthole System
Manual ports
Gas Supplies
Anaerobic Gas Mixture /N2
Auto Sleeve Gassing
Internal Mains Sockets
Storage Tray
Inspection Lamp
Single Sample Entry
AN02 Conditions Monitor
Data Logging
Airlock Cycle Time (seconds)
Extra Cable Glands
Automatic Dehumidifier
Automatic Humidifier
Removable Front
Trolley Available
Vacuum Take Off
Temperature Range
4°C above ambient up to 45°C
Touchscreen Control
Remote Access
As Standard
Dimensions (W/D/H mm)
1473 / 1056 / 1063
Weight (lbs/kgs)
386 / 175
Whitley A155 HEPA Workstation

There is also a double version of this workstation ... the A155 HEPA ...

Whitley A155 HEPA Workstation

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If you are based in Germany or Australia, please select the website of our subsidiary company there. A different selection of products is available in these countries. Otherwise, please select ‘English’ and you will be able to find your local distributor in the ‘Overseas Distributors’ section.

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