Floor register that rattles, sits crooked, or is too shallow for the duct and you end up stuffing foil tape around the gap - that's noise complaints and efficiency loss through the gaps. This 2.25-inch by 12-inch floor register has a stamped steel face with a smooth opening that directs airflow without whistling - the 2.25-inch depth accommodates standard floor construction and gives you enough airway capacity without blocking. The stamped steel construction won't crack or bend the way a thin aluminum register does under foot traffic. This is what HVAC installers and finish carpenters across northeast Nebraska and northwest Iowa put in when the builder spec calls for a solid-feeling register that doesn't rattle every time the system kicks on. In stock at Crofton Lumber (Crofton, NE) and Ak Stocked at Crofton Lumber and Akron Lumber.