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Edward Lowton
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Diffuser & plenum box
19 November 2014
New from Swegon is a range of products for ceiling ventilation: Vireo air diffuser and ALT plenum box. High airflow capacity means fewer diffusors are needed, which simplifies the design and installation work, and improves the visual appearance. Vireo is aligned with the ceiling thanks to its flush design.

The Vireo air diffuser works for variable airflow systems and is, therefore, suitable for many different applications. Adjustable slot nozzles, available in white or black, ensure the air follows the ceiling, eliminating cold draught in the occupied zone.
The ALT plenum box is rotatable 360° to avoid unnecessary bends/pressure drops. Dust protection covers minimise the need to clean out the system before commissioning, making it easier to fulfil the VDI 6022 regulations.