Shop Print Media, No drawers, Dry Pro™, Submucosal Lifting Agent, 1.14 mm Inner Diameter / 2.4 Inner Flange Diameter / 2.1 mm Outer Flange Diameter / 1.1 mm Inner Flange Distance / 2.2 mm Total Length, 21-1/2 inch Seat Height, 5 X 6 Teeth, 36 to 40 Inch