Aluminum 1-Way Vent Cover: Adjustable Curved Blade Air Supply Diffuser- 14 x -Plastic Seal for Tight Fit, Quiet Flow, Multi-Shutter Damper-[Front Grille Size:15.6x15.6"][Duct Hole Size:14"x14"]

[Sizing Guide]: Ensure accurate fit by measuring your wall or ceiling opening before ordering. For this grille, the opening should be at least 14"W x 14"H. Avoid using old grille measurements. Always start with the Width (W) followed by the Height (H). This grille comes with a front end frame designed to overlap at wall or ceiling junctions, with an overall external dimension of 15.6"W x 15.6"H. [Aluminum Construction]: Made from rust-free high-grade ALUMINUM AA6063. Extruded aluminum ensures the diffuser is sturdy, light, and easy to install. Perfect as an air conditioner vent or hvac vent. [1-Way Airflow Control]: Offers a unique 1-way air flow supply. The adjustable parallel blades graduate the air diffusion, allowing for full vertical or horizontal control, suitable for ac vents ceiling and air vents for ceiling. [Stylish White Finish]: Coated in high-resistance electrostatic white paint. This air vent cover boasts a smooth, shiny, and scratch-resistant powder-coat finish, making it perfect as a decorative ceiling air vent cover or air vent covers ceiling. [Easy Installation]: Can be installed on ceilings, drop ceiling panels, or drywall. Ideal for both domestic and commercial applications. It's the optimal ceiling diffuser or ceiling vent cover you're searching for. [Multi-Shutter Parallel Blade Damper]: Allows for full vertical/horizontal airflow direction control. This versatile air supplier diffuser ensures easy unrestricted air flow, serving as a reliable air duct vent cover or hvac return air grille. [Longevity Guaranteed]: Laminaire products are made under the ASHRAE STANDARD. With over 20 years in the USA market, expect durable ac vent covers ceiling and hvac vents ceiling that won't disappoint. [Screws Included]: Packaged with galvanized steel cross head screw 5/32" diameter x 1 1/2" length, white color head, specially for wood and drywall. Perfect as heater vent covers or heat vent covers. [Safe Shipping]: Each product is packed individually in a plastic bag with corner protection to avoid damage. All grilles include screws for easy installation, ensuring you have a top-quality air grille vent cover or grill vent. [ASHRAE Standard]: Our products adhere to strict standards, making it the top choice when searching for air conditioning vent covers, ceiling vents, or hvac vent covers.