Ceiling diffusers - O4 - D 550X550 mm RAL

Ceiling diffuser, square or rectangular, with fixed blades in angle 45o (anemostat), for supply or extract air. With one (O1), two (O2), three (O3) or four (O4) way throw pattern. Accessible. Made by anodized aluminium. Electrostatic paint in RAL color is possible. For use in cooling cases or in heating if the installation height is small.