The Smartline Plus mattress system is suitable for the prevention and treatment of pressure ulcers up to grade III according to EPUAP.The control units of the Smartline Plus feature the digital pressure sensor technology thus ensuring a silent operation and a long product life.The compressors switch off when reaching the pre-set system pressure and only re-activate when a cycle change occurs or to adjust the system pressure if necessary.-bi-elastic protection cover with PU coating, highly breathable, slip-retardant &amp