The PDVM is the only perforated diffuser with the ‘downflow principle’. The PDVM is a diffuser that is extremely suitable for laboratories, clean rooms and computer rooms. Because the final speed of the air in the area depends on the temperature difference, the diffuser is suitable for supplying cooled air with a minor temperature difference in respect of the room. The diffuser is also available as a wall version with a reinforced face plate.

Most important features:

  • Suitable for isothermal application
  • High number of air changes achievable
  • Customised dimensions!


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+31 598 361 221

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