Foot Placement Ladder Wheelchairs Reclining 20 X 18 * The 16 7136 20 X 18 * The contoured design combined with the simple operation of the ISOFLO© Memory Control unit offers provides a new level of postural control and stability that has never been achieved in an air cushion * The contoured design positions the pelvis back in the wheelchair and centers the individual comfortably in the middle of cushion * The ISOFLO Memory Control unit locks air into each of the four compartments providing stability by minimizing side to side and front to back motion * Adjustable to individual 25 for patient safety * Max Height 64 * Min Height 22 * Base Height 6 Cross bars adjust for different length steps * 24 x 96 *