3m Littman Select Carib Blue Stethoscope 3M Littmann 'Select Stethoscopes' * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Portable convenience of a single-sided chestpiece * Comfortably angled anatomically correct headset * Single lumen tubing in a range of colors * 2 year warranty * 28 Tubing * For general examination needs * Offers single-sided listening for both low or high frequencies (bell and diaphragm combined) * Two-year warranty *