Highly effective air cushion seating system with adjustment tool and hand pump. Important features at a glance: Air core made of PU surrounded by visco-elastic foam frame with non-slip Dartex cover Excellent pressure reduction and very low interface pressure Non-electric operation permits high mobility Maximum comfort, no rocking effect For persons with a body weight of 35 kg to 140 kg Prevention: up to very high risk Manual regulation of the volume of air depending on the weight of the user For use with most wheelchairs and nursing chairs