Brand New in the Box! BUILDMART 16x8 Modern AC Vent Cover Register Grille for Ceilings, Walls Floors FEATURES: Commercial Grade Solid Aluminum with Modern Architectural Design This Model can be used in Ceilings, Walls, and Floors This Model can be used as a Supply Vent Cover and Return Vent Cover CFM: 270 ft3/min - Effective Velocity: 9.8 ft/s Neck: 15 3/4" x 7 5/8" - Face: 17 15/16" x 9 3/4" This is a Non-Filter Model *This is a Design and Utility Patent Pending Product* Texas Buildmart offers Modern AC Vent Covers also known as High Quality Standard Linear Slot Diffusers. This Modern AC Vent Cover shoots a 90-degree spread with option to adjust to one side or the other. These have decorative directional dampers. Modern, crisp, clean lines and architecturally appealing. Solid extruded aluminum profile with welding - Electrostatic Paint which makes it easy to clean because of it's dust-resistance. This white air vent register can be used as a supply air vent cover for ceilings, walls, and floors, and as a return air vent covers register but looks like a Modern Contemporary looking fixture. If our Modern AC Vent Cover is used as a Return air vent cover, please make sure the air vent cover is placed in the full open position or remove the directional dampers. Update your Ceilings, Walls Floor Vents with our Modern AC Vent Covers and it will update the entire look of your Home or Office Space. Vent Covers for the Modern Day Home. GREAT ITEM AT A GREAT PRICE!!