We all know the risks associated with immobility, and the potential for dangerous pressure sores to develop. Ordinary air cushions tend to puncture, losing efficacy and do not have the technical spec of the Equazone. Thanks to its clever quadrant system the air is always evenly distributed, even if the user shifts position. The cutout at the back ensures that the coccyx is completely relieved of pressure, and the contouring on the seat significantly reduces the pressure on the buttock bones.