Standard square with upper circular connection with the combination specified on the data sheet.
Galvanized steel diffuser (alluminium frame), RAL 9010 white powder coated.
Galvanized steel plenum, external insulation with heat-insulating adhesive polyethylene on first class of fire reaction (DM 26/06/1984).
Maximum operating temperature: 70°C
UDF unity are applied to the ceiling both to the false ceiling and with a visible system for air delivery. The plenum allows to delete or reduce the irregularities of the air speed profile, which come from the supply line.