Decor Grates SPH414-RB 4-Inch by 14-Inch Scroll Floor Register, Oil Rubbed Bronze Scroll Design- by Decor Grates Damper Box Included Air Filter not included Inside Dimensions: 4" x 14" Outside Dimensions: 5 1/2" x 15 1/2" Adjustable and durable plastic airflow control sits below surface of floor