3m Littman Master Cardiology Navy Blue 27 Hot Cold Therapy Single compartment cushion * 4 Style:1 Pair (Left & Right) Single compartment cushion * 4 air cells provide prevention and healing relief from ischemic ulcers (pressure sores) * Maximizes pressure distribution blood flow and nutrient exchange as well as shock and impact * Conforms to the body s shape and adjusts to body changes over time * Includes cover & pump Black Onyx Color Special procedures adaptor for difficult site or pediatric ausculation * Available in a selection of classic tube colors * 7 year warranty Shipping Carton Size: 16 L x 14 W x 5 H Navy Blue 27 * The ultimate acoustical stethoscope * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Handcrafted sold stainless steel chestpiece * 2 in 1 tube design eliminates tube rubbing noise * Portable convenience of a single sided chestpiece * Excellent acoustic seal and comfortable fit with patented Littmann Snap Tight soft sealing eartips * Comfortably angled anatomically correct headset * Patient friendly nonchill rim and diaphragm