![Amazon.com: 3M 2176 Littmann Master Cardiology Smoke Chestpiece Stethoscope with 27" Black Tube : Industrial & Scientific Amazon.com: 3M 2176 Littmann Master Cardiology Smoke Chestpiece Stethoscope with 27" Black Tube : Industrial & Scientific](https://m.media-amazon.com/images/I/71eXluhHpCL.jpg)
Amazon.com: 3M 2176 Littmann Master Cardiology Smoke Chestpiece Stethoscope with 27" Black Tube : Industrial & Scientific
![Littmann Master Cardiology, Cardiology III, Cardiology IV and Cardiology S.T.C Replacement Tubing | MyStethoscope.com Littmann Master Cardiology, Cardiology III, Cardiology IV and Cardiology S.T.C Replacement Tubing | MyStethoscope.com](https://www.mystethoscope.com/image/cache/catalog/product/m-cardiolog_bin-850x1300-550x550h.jpg)
Littmann Master Cardiology, Cardiology III, Cardiology IV and Cardiology S.T.C Replacement Tubing | MyStethoscope.com
![Amazon.com: 3M Littmann Cardiology III Stethoscope, Black Tube, 27 inch, 3128 : Industrial & Scientific Amazon.com: 3M Littmann Cardiology III Stethoscope, Black Tube, 27 inch, 3128 : Industrial & Scientific](https://m.media-amazon.com/images/I/61qSP3LXi5L._AC_UF894,1000_QL80_.jpg)
Amazon.com: 3M Littmann Cardiology III Stethoscope, Black Tube, 27 inch, 3128 : Industrial & Scientific
![Amazon.com: 3M Littmann Stethoscope, Master Cardiology, Black Tube, Stainless Steel Chestpiece, 27 inch, 2160 : Industrial & Scientific Amazon.com: 3M Littmann Stethoscope, Master Cardiology, Black Tube, Stainless Steel Chestpiece, 27 inch, 2160 : Industrial & Scientific](https://m.media-amazon.com/images/I/61x2Dw+9B1L.jpg)