Seat Size: 17.75 x 14.75 inches.
Seat Height: 5 inches above tub wall.
Weight Capacity: 350 pounds.
Required Height Clearance: 13 to 17.5 inches (inside tub depth).
Base Length: 23 inches or wider tub required.
Tub Wall Width: 2.75 to 5.75 inches.
Inside Tub Width (at Bottom): 16.5 inches (minimum).
Tub Width (at Top): 23 inches (minimum).
Tub Wall Height (inside): 13 to 17.5 inches.