11 Duct Ring
12 Butterfly Damper
16 Ceiling Diffuser

RZ16 Ceiling Diffuser
21 Installation Frame
22 Butterfly Damper
23 Opposed Blade Damper
24 Ceiling Diffuser
A501MS/A501OB
A502MS/A502OB
A503MS/A503OB
A504MS/A504OB
A505MS/A505OB
A500P T-Bar Panel for A500 Series Diffusers
SD/SDD Diffuser
ECFM Aluminum Diffuser
ECBX 4-way Ceiling Diffuser Box
ECSD/ECSDD Diffuser

ECHVD Diffuser

Click here for other Ceiling Diffusers that are also commonly used as Sidewall Diffusers