3M™ LITTMANN® CARDIOLOGY IV STETHOSCOPE - SPECIAL FINISHES • Length: 69 cm • Earcup Ø: 43/33 mm • 3MReference : 6182 • Color: Tube: red - Finish: black The 3M™ Littmann Cardiology IV stethoscope helps pick up even the most subtle sounds, thanks to improved acoustics and a new design that's more versatile than ever. - Improved audibility of high-frequency sounds - Tunable diaphragms for auscultation of high and low frequencies, without turning the earcup (pressure-sensitive) - Adult and pediatric side for added versatility - One-piece diaphragm, easier to clip and clean, with smooth surface and no cracks - New generation long-life tube - Minute olives with soft sealing