CHARACTERISTICS:Egg crate grilles 13x13 mm pitch.CONSTRUCTION:Anodized aluminium. Square-grid inclined of 45° on model GMA-I.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.