Diffuser, Mounting Style Lay-In, Mounting Location Ceiling, Product Type Ceiling Diffuser, Overall Depth 3 1/2 in, Overall Height 24 in, Overall Width 24 in, Filter Depth Not Applicable, Filter Height Not Applicable, Filter Width Not Applicable, Duct Size 12 in, Face Type Square Plaque, Adjustable Blades No, Hole Size Not Applicable, Overall Diameter 24 in, Color White, Material Steel, Insulated Yes, Air Diffusion Angle 360 Degrees , Shape Square, Series SPD, Finish Powder Coated