New Age Blinds Curved Vertical Blinds Center Opening, Inside Mount, 42-1/2-Inch by 46-Inch, Polar Pvc Made in the USA and Imported Custom cut to 42-1/2-Inch by 46-Inch Opens from the Center Dust Cover Valance Mounts inside the window frame to fit inside the frame, we take 3/8-inch off width and 5/8-inch off height Includes one replacement slat