Ventilation box built with extruded aluminum profile and aluminum cornering.
The side panels are all registrable and are made of galvanized steel finished with RAL 5005 blue epoxy-polyester paint.
It has thermo-acoustic insulation inside formed by 25mm thick glass fiber and motorized aluminum regulation damper with all/none actuator.
Equipped with 2 centrifugal double inlet fans with external rotor motors of low noise level. 100% adjustable.