3M™ Littmann® Stethoscope Binaurals for Master Cardiology™, Cardiology III™, Cardiology II S.E. and Cardiology S.T.C. Stethoscopes, Navy Blue Tube, Grey Eartips, 27 inch - SAVELIVES
Amazon.com: 3M 2176 Littmann Master Cardiology Smoke Chestpiece Stethoscope with 27" Black Tube : Industrial & Scientific
Master Cardiology stethoscope 3M Littmann for €290.40 in Stethoscope
Littmann Master Classic II Stethoscope, Black, 2144L - Stethoscope.com