3M Littmann Cardiology IV Diagnostic Stethoscope, 6165, More Than 2X as Loud, Weighs Less, Stainless Steel Rainbow-Finish Chestpiece, 27" Black Tube, Stem, and Headset. Ergonomic and high profile construction; 40% larger chestpiece and 60% deeper bell than the 3M Littmann Classic III Stethoscope.
1X3M Littmann Cardiology IV Diagnostic Stethoscope, 6165, More Than 2X as Loud, Weighs Less, Stainless Steel Rainbow-Finish Chestpiece, 27" Black Tube, Stem, and Headset. Ergonomic and high profile construction; 40% larger chestpiece and 60% deeper bell than the 3M Littmann Classic III Stethoscope.
3M Littmann Cardiology IV 6165 Stethoscope – Blue Tube, Silver Chestpiece, 27" Diagnostic Stethoscope. Its dual-sided chestpiece and tunable diaphragms allow you to hear both high- and low-frequency sounds without repositioning the chestpiece.
