4 X 10 CAST IRON CONTEMPORARY FLOOR REGISTER Overall Face Size: 5-1/2&rdquo; x 11-1/2&rdquo; Part of our new Madelyn Carter line of products that were hand selected by Vent Covers Unlimited for superior quality, design, and value. These registers come with a heavy duty aluminum damper to control the air flow. The cast iron registers are handmade from  thick cast iron. Ships in 2-3 business days Overall Size: 5-1/2 x 11-1/2 Damper Size: 3-7/8 x 9-3/4 Depth required to accommodate damper 2-3/4