Whitley A155 HEPA Workstation

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Whitley A155 HEPA Workstation

A huge, double workstation perfect for accommodating a variety of laboratory equipment

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The Whitley A155 HEPA Workstation provides the ability to operate a variety of laboratory equipment or perform specialist tasks in a strictly controlled anaerobic environment. This workstation has a capacity of 1,800 litres and has two airlocks.

The huge capacity of this workstation means that it 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. The two removable fronts facilitate the movement of equipment into and out of the chamber environment.

The A155 HEPA is equipped with the Whitley Internal HEPA Filtration System, which reduces particle counts inside the chamber to levels exceeding the requirements of ISO 14644 Class 3. 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 filters becoming saturated with moisture and rendered ineffective.

This anaerobic workstation features two deep airlocks, one at either end of the workstation, that can be operated independently and take only 60 seconds to run a cycle. Each airlock can accommodate 10 x 500ml Duran bottles.

The A155 HEPA comes complete with a bespoke trolley with shelves.

  • Two removable fronts to enable the transfer of larger batches of samples or pieces of equipment for use inside the chamber.
  • Patented oval ports enable you to work comfortably, gloved or bare handed.
  • Each port includes an isolator switch so that you can use one port at a time, if required. The fact that there are two sets of ports means that two researchers can work in the chamber side-by-side.
  • Colour, touch-screen control panel for ease of use and for visual display of parameters such as temperature, humidity, and airlock cycle status.
  • Two new options are available: a rotating turntable (up to 3 per shelf) to hold up to 80 x 90mm Petri dishes; and the movable platform to facilitate the movement of heavy items of equipment inside the chamber.
  • Other options include: double internal power socket, front loading single sample entry system, cable glands, shelves with optional storage trays, Anaerobic Conditions Monitor and data logging.
  • A fully comprehensive maintenance and breakdown contract is also available to prolong the life of your investment. (Note: different arrangements apply in different countries).

View Specification


Capacity (litres)
Airlock Capacity
20 x 500ml Duran bottles or 40 plates via two airlocks
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
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)
2875 / 1056 / 1063
Weight (lbs/kgs)
771 / 350
Whitley A135 HEPA Workstation

Don't have room for the A155? The A135 is half the size.

Whitley A135 HEPA Workstation

Choose a Country

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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