Product details:

Texas Buildmart offers High Quality Standard Linear Slot Diffusers. This model shoots a 180-degree spread with option to adjust to one side or the other. They have decorative directional dampers. Modern, crisp, clean lines and architecturally appealing. Solid extruded aluminum profile with welding - Electrostatic Paint. This product can be used as a supply and as a return register vent cover for ceilings, walls, and floors but looks like a Modern Contemporary looking fixture. If this model is used as a Return, please make sure this vent cover is placed in full open position or remove the directional dampers. This is a Patent Pending Product.AC Vent Cover
HVAC Register Solid extruded aluminum profile with welding
Electrostatic Paint Modern architectural design 180-degree air flow control with adjustable directional dampers Face: 36 3/4 x 4 1/2
Neck: 35 3/8 x 3 1/8