State of the Art Control Unit. Alternating pressure cycles of 5-10-15-20-25-30 minutes. Cell-on-cell mattress design prevents bottoming out. Audio/visual low pressure alarms. Automatic seat inflate when patient is in upright position & increases air flow 20% to middle bladders to prevent bottoming out. Pillow top. Nylon top cover is fluid resistant, anti-microbial/anti-bacterial and quilted. Lock out key completely locks the control panel including power switch. CPR pull tab. Warranty: 2 Year Non-Prorated. #81090-48RR-48x80x11 #80091-Pump Only Latex Free UNSPSC#42191810 System Includes Pump