Introducing the WC106L, a premium accessory designed for seamless control of your F521L wall fan. Crafted from durable ABS material, this 4-speed wall fan control offers versatility and reliability. Measuring 1.75 inches tall and 4.13 inches wide, it fits perfectly in any setting, ensuring ease of use while enhancing your fan experience. Enjoy customizable airflow with this essential addition to your home or workspace.