Product main features

• Supply air plenum for variable flow active diffusers VHB and VHD
• For optimised demand-based ventilation installations
• Guarantee of proper function of the supply air diffuser
• Airtight and robust construction with aesthetic design
• Effective sound attenuation
• Access for ductwork cleaning
• Junction box for cabling an active diffuser as standard with the delivery
• Detachable measurement and airflow adjustment module MSM