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

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

Ceiling diffuser with all direction air deflection Constructed with steel with step down structure Powder coated in white with three matching color

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

Venti Air 12 in. Round Butterfly Damper for T-Bar, Drop Ceiling, Lay in Diffusers with 12 in. Collar HTD12 - The Home Depot

Suncourt in-line duct booster fan. 12 inch round ducts. Balanced polycarbonate fan blades. 650 CFM free air. With power cord.

Inductor 12 in. Corded In-Line Duct Fan DB212C

Venti Air 8 in Round Butterfly Diffuser/Grille with Concentric Step Down Rings, White SWRD08

Venti Air 6 in. Round Butterfly Damper for T-bar, Drop Ceiling, Lay in Diffusers with 6 in. Collar, Black SWTD06

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

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

Everbilt 6 in. x 6 in. 4-Way Aluminum Square Ceiling Diffuser in White EA504M06X06 - The Home Depot

Venti Air 6 in. round butterfly damper for T-Bar, Drop Ceiling, Lay in diffusers with 6 in. collar HTD06 - The Home Depot

Venti Air 12 in. x 12 in. Aluminum 3-Way Diffuser/Register/Grille for Air Supply White

Everbilt 15 in. 3-Way Steel Baseboard Diffuser Supply in White E115SW - The Home Depot

TruAire Floor Register Trap 4 in. x 12 in. (2-Pack) H150TRAP04X12 - The Home Depot

Simple, versatile, easy to operate and easy to install. The 800 series are round air diffusers. This step down ringed diffuser is used to cover duct

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