A hospital's cardiac catheterization lab is under construction. According to Section 407.4.1.1, what is the required height range above the finished floor for the exhaust or recirculation air inlets in this room?

• Not less than 6 inches nor more than 12 inches above the floor.
• Not less than 3 inches nor more than 8 inches above the floor.
• Located within 18 inches of the floor.
• At or near the ceiling.