Aluminum 3-Way Vent Cover: Adjustable Curved Blade Air Supply Diffuser- 12 x 10-Plastic Seal for Tight Fit, Quiet Flow, Multi-Shutter Damper-[Front Grille Size:13.6"x11.6"][Duct Hole Size:12"x10"]

MEASURE DUCT HOLE FIRST: Ensure a great fit with our 12x10 duct opening, our 12x10 vent cover, designed to fit ceiling openings and walls. The visible face measures 13.6x11.6 for a smooth, professional finish after installation. 3-WAY AIRFLOW CONTROL: Adjustable curved blades direct air left, right, or straight for precise room comfort and efficient HVAC distribution in any space. MULTI-SHUTTER DAMPER INCLUDED: Built-in damper lets you regulate airflow volume easily, reducing energy waste and improving HVAC system efficiency throughout your home. QUIET ALUMINUM CONSTRUCTION: Durable aluminum build resists rust and rattling, delivering near-silent operation ideal for bedrooms, offices, and living areas. PLASTIC SEAL FOR TIGHT FIT: Integrated plastic seal eliminates air gaps around duct opening, preventing drafts and maximizing conditioned air delivery to the room.