Drive Medical Med Aire Plus Bariatric Low Air Loss Mattress Replacement System, 80" x 42" This bariatric system provides alternating pressure to optimize pressure redistribution for patients with up to Stage IV pressure ulcers Cell-on-cell design of 10" deep air cells prevents "bottoming out" and provides up to 24 hours of power outage protection (Each of the 20 bladders can be easily removed and replaced) Digital pump with diagnostic alarms allows for customization to individual patients' needs, and will auto return to alternating pressure mode if system is left on static mode for more than 2 hours Pillow function maintains the 3 air cells at the head of the bed in static mode for patient comfort Weight Capacity: 600 lbs; Dimensions: 80"(L) x 42"(W) x 10"(H); Pump Airflow: 12 LPM; Cycle Time: 10, 15, 20, 25 Minutes