Littmann Cardiology IV Diagnostic Stethoscope: Smoke & Black - Black S
3M Littmann Cardiology IV Stethoscope, Black Tube with Black Edition Chestpiece, 27"
Amazon.com: Replacement Tube by CardioTubes fits Littmann Master Cardiology and Cardiology III Stethoscopes - 7mm Binaurals Dark Green TUBING : Industrial & Scientific
Littmann Cardiology IV Stethoscope, Smoke Gray Smoke, 6238 - Stethoscope.com