SWL 210kg alternating replacement mattress with digital pump AirCare Max-8 Alternating Air Replacement Mattress combines the most advanced technology and clinically effective features in a portable system. The mattress is made up of 18 – 8” individual cells: 15 alternating air cells and 3 static pillow section cells. The cells are made of TPU material to reduce noise disturbance when cells alternately inflate and deflate and provide pressure redistribution for the prevention and treatment of Stages I-IV pressure ulcers. AirCare Max-8 alternating pressure mattress supports patients weighing up to 210kg.