QUESTION: i HAVE A SUNKEN TUB WHICH HAS A DEPTH OF 20 INCHES BELOW FLOOR LEVEL. CAN THE LEGS WHICH GO INTO THE BATHTUB EXTEND 20 INCHES MORE THAN THE LEGS WHICH GO ONTO THE FLOOR??? ANSWER: The difference between the highest and lowest height of the bench is 23 - 19 = 4". With xx tall legs it can increase extra 6". This means that the legs on one side can extend 10" more than the other side maximally. For more discussions, options and details about the product, or to order the product, please click here A long sliding transfer bench with molded seat and back easy to clean and dry. It is made of more solid material for higher weight capacity than regular type. Shipping is free. Very easy to assemble, no tools required. Bench slides for easy mobility. Height adjustable in 1/2" increments. Splayed leg configuration for added stability. Plastic model seats have a larger seating area and come with a Shower Head Holder. Seat and backrest have a non-slip texture finish. Safety belt is included. Backrest can be installed on either side of seat. Durable lightweight aluminum frame. Secured locking mechanism for both patient transfer and while in the tub/shower. Come with double safety locks. Seat Width: 18.75" Seat Depth: 13" Seat Height: 18.75" - 23" Actual Slide: 20.75" Side Rail Length: 33.75" Base Width: 43.25" - 44.5" Base Depth: 18.75" - 20.25" Back Height: 13.25" Leg Length: 9.625" Required Clearance: 15" - 18.5" Weight Capacity: 300 lbs.