External grille 500 mm - Two-way grille 500mm MLA 50

External grille 500 mm - Two-way grille 500mm MLA 50 – Maico – 0151.0116 – 4012799511168: External grille 500 mm MLA 50, material=aluminium, nominal width of channel=552 mm, nominal height of channel=530 mm, nominal diameter of channel=500 mm, front width=552 mm, front height=530 mm, outer grille for ventilation. With fixed, rain-repellent weather protection slats. With protective grille and mounting frame on the back. Item: MLA 50, air direction: ventilation, max. flow rate: 4 m/s, installation: outside, installation location: wall, material: aluminium, colour: anodised aluminium, weight: 3.4 kg, suitable for nominal diameter: 500 mm, free cross-section: 1526 cm2, width: 552 mm, height: 530 mm, depth: 45 mm, suitable for box fans: no, suitable for roof fans: no, suitable for duct fans: no, suitable for heat recovery systems: no, suitable for wall-mounted fans : no, Suitable for built-in wall fans: yes, Suitable for residential building fans: no, Suitable for centrifugal fans: no, Suitable for circulation fans: no