Product Description This combination therapy 8 mattress replacement system provides both alternating pressure and low air loss to optimize pressure redistribution and manage skin maceration. FeaturesThe WHISPER QUIET pump produces consistent air flow Mattress can operate in an alternating or static pressure mode Designed to prevent, treat and manage pressure ulcers in the home, long term care, or acute care setting. Nylon cover is low shear, fluid-resistant, vapor permeable, quilted and zippered. Easy to replace individual bladders Mattress has 20 air bladders, nine 9 with laser holes to achieve low air loss function, to increase patient comfort, keep the patient cool and speed recovery Quick fill adapter and carry bag standard Spring lined air tubes prevent kinks and disruption of air flowCPR valves provide fast 20-Second deflation Pillow function maintains the 3 air cells at the head of the bed in static mode for patient comfort.8 high air cells are constructed with Nylon/50% PVC for durability SpecificationsSize 36 W x 80 L x 8 H Weight Capacity 350 lbs. Pump Alarms Visual Audible Weight Capacity 350 lbs. Warranty12 Months Limited Warranty 1 Each / Case