The Floor Register 4x10, 10 Pack Vent Covers are heavy-duty steel floor vents designed for use in homes, offices, restaurants, hotels, and various workplaces. With a rectangular shape and a duct opening size of 4x10 inches, these brown-colored vents feature adjustable airflow and a rust-resistant coating for durability. The powder-coated finish adds a sleek look to these units, which come in a pack of 10 for added convenience. Each floor register also includes an opposed blade damper and adjustable switch for customizable airflow control. Made of high-quality steel