large-cell mattress overlay system ; 17 modular air cells made of high-quality nylon / PVC with 9 laser-perforated cells (ventilation bladders) ; integrated static- and alternating pressure mode ; visual alarm in case of low pressure ; secure connection of air supply hose and control unit by connectors ; SLK Soft-Care-Tex cover helps to reduce frictionand shear forces / breathable ; quick deflation through CPR-function in caseof cardiopulmonary resuscitation Patient Wait. up to 130 KG. Alternate Pressure system Size: (90 x 200cm) / (35.4“ x 78.7“)