3M Littmann Classic III Steth Black 27 (Each) Modular Seating Weight Capacity * Ideal for Style:Pair (Left & Right) Weight Capacity * Ideal for use in nursing homes hospitals and home use * Audible low pressure alarm activates when pressure falls below 10 mmHg * Cell in Cell design prevents the patient from bottoming on the bed in the event of power failure * High volume extra quiet pump produces 15 LPM of air volume * Mattress has 20 bladders * 10 cells are constrcuted with Nylon TPU that are soft lightweight and will not stretch * Quick fill adapter standard * CPR valves for fast (60 second) deflation * The zippered Nylon TPU cover material is heavyweight water resistant vapor permeable has a fiber quilted bottom and is machine washable to provide protection and comfort * Water resistant permeable cover * 1 Year Warranty * Specifications * Power: 110 VAC 60Hz * Pressure Range 10 70 mmHg (within the cell) * Air volume 15 LPM * 10 15 20 25 minute selectable cycle time * Shipping Carton Size: 28 L x 17 W x 13 H * Shipping Weight: 40 lbs * * Perfect for senior citizens caregivers children or anyone home alone less likely to pick up stains Two sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single piece diaphragm with a non chill rim * Next generation tubing provides longer life due to improved resistance to skin oils and alcohol