Aluminum 3-Way Vent Cover: Adjustable Curved Blade Air Supply Diffuser- 12 x 6-Plastic Seal for Tight Fit, Quiet Flow, Multi-Shutter Damper-[Front Grille Size:13.6"x7.6"][Duct Hole Size:12"x6"]

MEASURE DUCT HOLE FIRST: Ensure a great fit with our 12x6 duct opening, our 12x6 vent cover, designed to fit ceiling openings and walls. The visible face measures 13.6x7.6 for a smooth, professional finish after installation. QUIET AIRFLOW CONTROL: Multi-shutter damper with adjustable curved blades lets you direct airflow precisely, reducing noise for a comfortable and silent home or office environment. ALUMINUM CONSTRUCTION: Durable aluminum build resists rust and warping, ideal for long-term residential or commercial HVAC systems requiring reliable and low-maintenance vent covers. TIGHT SECURE FIT: Plastic seal around the frame ensures a snug, gap-free installation on walls or ceilings, preventing air leaks and improving overall HVAC system efficiency. 3-WAY AIRFLOW DIRECTION: Adjustable curved blades allow 3-way air distribution so contractors and homeowners can customize comfort in any room quickly and easily.