12 minute, 1 in 2 alternation cycle to provide superior pressure relief. Eighteen, deep (20 cm), individual alternating transverse cells provide adequate support for heavier patients. Designed to maximize blood flow throughout body and minimize shear and friction to prevent the formation of pressure ulcers in bedridden patients. Three static cells at head level reduce sleep disturbance and add stability. Fast emergency deflation of the cells in the thoracic region using the rapid release CPR tag located at the mattress head. Cells made of high density TPU coated nylon for superior durability. Top cover made from waterproof, vapour permeable material with 360 degree zipper. Full length waterfall flap prevents moisture from reaching the skin and maintains ambient temperature. Superior infection control with RF welded seams Easy to operate digital control unit offers 8 different pressure settings for maximum patient comfort. Non-continuous quiet operation. Alarm warns of disconnect or malfunction. Suitable for patients up to 180 kg. 2 year warranty.