Product details:

Ceiling Diffuser, Ceiling Diffuser, Diffuser Shape Square, Diffuser Face Type Square Plaque, Diffuser Duct Size 8 In., Material Plastic, Diffuser Color Black, Diffuser Finish Smooth, Air Diffusion Pattern 360 Degrees , Width 23-3/4 In., Depth 6-1/4 In., Height 23-3/4 In., Diffuser Adjustable NoFeaturesAir Diffusion Pattern 360 DegreesDiffuser Finish SmoothDiffuser