Double Deflection Aluminium Grilles are enabled with aerofoil shaped louver in both horizontal and vertical directions. These Aluminium Grilles are provided with an opposed blade damper behind for adjusting air volumes during air balancing. These Aluminium Grilles are made using quality grade aluminium that ensures optimum performance for longer period of time. Double Deflection Aluminium Grilles are designed to be installed on the walls of the rooms.