12 in Square Step-Down Ceiling Diffuser, White, American Louver, Mfr#: STR-C-12W-FR

Diffuser, Mounting Style Lay-In, Mounting Location Ceiling, Product Type Ceiling Diffuser, Overall Depth 6 3/8 in, Overall Height 23 3/4 in, Overall Width 23 3/4 in, Duct Size 12 in, Face Type Square Cone, Adjustable Blades No, Color White, Material Plastic, Insulated No, Air Diffusion Angle 360 Degrees , Shape Square, Series STR-C, Finish Smooth, Insulation Material None