Amputee Cushion Bilateral Ext. X Wide 20 w x 25 d Raised Toilet Seat Meridian Ultra care 4800 Standard Alternating MSHQ 1594XL Meridian Ultra care 4800 Standard Alternating Pressure low Air Loss Mattress System Highly detailed life sized model shows all significant features for each vertebra including vertebral body spinous and transverse processes vertebral notch and spinal canal * Features include 29 tall vertebral column complete pelvis sacrum occipital bone and vertebral artery all nerve branches and herniated lumbar disc * Includes a chrome table top hanging stand * Padded cushion is specially designed for the left right or bilateral amputee *Black leatherette zippered cover *Leg extensions are approximately 1 2 of the seat width x 9 long *Overall length with Leg Extension is 25 *Overall thickness is 1 1 2 for the Narrow Adult Adult and X Wide models and have a 5 8 plywood base *The XX Wide (22 and larger) have an overall thickness of 2 1 2 and have a 3 4 plywood base *Meets CA 117 code *X Wide *20w x 25d *Bilateral Extension