MODEL: DD-64S & DD-64R                                         
DASCO's ceiling diffusers DD-6 is a multi-vane type with a fully removable core from its face for easy installation, with square neck and it can be supplied in 1,2,3 &4 way airflow patterns for all air distribution requirements. The diffuser can also be supplied with an opposed blade damper section (for supply diffusers only) which in turn is fixed to the outer frame of the diffuser and is lever operated from the face of the diffuser. Key operated opposed blade damper can also be supplied upon request. The damper frame is separated from its blades by using nylon bushings to eliminate corrosion and vibration. Ceiling diffuser DD-6 is available in square and rectangular patterns for supply air as well as for return air and which in turn is supplied without opposed blade damper as standard.