Med-aire Assure 5 Air + 3 Foam Base Alternating Pressure And Low Air Loss Mattress System. Active Mattress Replacement System Provides Both Alternating Pressure And Low Air Loss To Optimize Pressure Redistribution Shear/friction Reduction And Microclimate Control. Designed To Prevent Treat And Heal Pressure Ulcers In The Home Or Long Term Care Setting. Control Unit Offers 10 Minute Cycles When Alternating And Can Also Be Used In Static Mode. Adjustable Patient Weight Settings Allow For Optimal Immersion And Patient Comfort & Compliance. Audio And Visual Alarm Alerts When Air Pressure Is Low. System Includes 17 Individual Air Cells Over A 3 Foam Base For Power Outage Protection. Pillow Feature Provides Head Stability & Comfort. 5 Deep Air Cells Are Easily Removed For Convenient Servicing. Removable Quilted Nylon Cover Is Fluid Resistant Low Shear And Vapor Permeable Helping Protect The Skin From Friction And Moisture. Cpr Valve Allows For Rapid Deflation. Tubing Quickly And Easily Disconnects With Ez Lock/quick Release Design. Product Dimensions: 36 (w) X 80 (l) X 8 (h) Control Unit Power: 110 Vac \ 60 Hz Control Unit Airflow: 8 Lpm Control Unit Cycle Time: 10 Min. Control Unit Type: Compressor Control Unit Alarms: Visual / Audible Mattress Cover Material: Fluid-resistant Nylon Weight Capacity: 350 Lbs. Warranty: 1 Year Limited