HEAT RECOVERY:high efficiency plastic counter-current exchanger. Complete with automatic bypass and condensate collection basin.STRUCTURE:self-supporting soundproof sandwich structure. Equipped with removable panels for ordinary and extraordinary maintenance operations. Complete with brackets for ceiling fixing.FANS:double inlet centrifugal fans with directly coupled brushless EC electric motor.FILTERS:G4 efficiency on return air. M5 efficiency on fresh air.ADDITIONAL:OPTIONAL: – CO2 control (CO2RF) – F7 efficiency filter (VMCS600 F7) – modbus communication device (MODBUSRF)