CHARACTERISTICS: Return grilles with fixed and 45° inblined bars 25 mm pitch. CONSTRUCTION: Anodized aluminium. UTILIZATION: For wall installation and for air intake. FIXING: • Standard fixing by clips. • Holes for screws upon request. • Magnets on request (CL). • Lock upon request (KC). ACCESSORIES: • Galvanized steel plenum, standard or insulated. • Calibration damper made of galvanized steel and fins with opposite movement. • Mounting counterframes made of galvanized steel sheet.