WGZD / WGZC

The sound attenuating door/wall diffuser type WGZD (WGZC) is suitable for transfer of air. The diffuser can be mounted to the door or wall.
The diffusers reduce the transfer of noise between linked rooms.

Features:
Sound attenuating:    see table
Free area:    20-25%
(dependent on the measurement of the height)