Toilet to Tub Sliding Transfer Bench Long Bedside Commodes 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 (9 kg) * Easy to clean molded durable ABS plastic seat and back with built in clipboard holder * Stair Chair functions well in confined areas such as narrow hallways and multiple landing stairways * Two 4 rear stationary wheels and two 2 low profile front guide wheels allow the Model 42 to roll over most carpeted or hard surfaces * Four lifting handles with nonslip handgrips enable EMTs to move the patient safely and easily Blow molded plastic seat and back with textured finish * Seat platform slides smoothly over polished high strength aluminum tubes