TruAire 12 in. Round Air Diffuser 800X12 - The Home Depot

TruAire 12 in. Round Air Diffuser 800X12 - The Home Depot

HBW 12 Round Ceiling Diffuser White Powder Coated with Outside Dimension of 16 Fitting in 12 Duct

Everbilt 8 in. Steel Round Diffuser Damper in Brown E80108 - The Home Depot

SPEEDI-GRILLE 10 in. Round Ceiling Air Vent Register, White with Fixed Cone Diffuser and Bowtie Damper SG-RCR 10 - The Home Depot

Everbilt 8 in. Steel Round Diffuser Damper in Brown E80108 - The Home Depot

Venti Air 12 in. x 12 in. Aluminum 4-Way Diffuser/Register/Grille for Air Supply HA4D12 - The Home Depot

TruAire 12 in. Round Air Diffuser 800X12 - The Home Depot

Venti Air 6 in round butterfly diffuser/grille with concentric step down rings HRD06 - The Home Depot

Everbilt 8 in. Steel Round Diffuser in White E80008 - The Home Depot