Alternating pressure and low air loss to optimize pressure redistribution and manage skin maceration Incorporates eighteen 5" individual bladders over a 3" foam base Pump offers adjustable comfort settings and static feature Removable quilted cover is low-shear, anti-microbial, water-resistant and vapor permeable CPR valve Overall Product Length: 80" Overall Product Height: 8" Primary Product Material: Nylon Primary Product Color: Blue Cover Material: Fluid Resistant Nylon Pump Airflow: 8 Lpm Pump Cycle Time: 10 Minutes Pump Power: 110vac 60hz Pump Type: Compressor Product Weight Capacity: 350 Lbs Actual Product Weight: 33 Lbs Overall Product Width: 35.5" Pump Alarms: Visual/Audible