![3M 2176 Littmann Master Cardiology Smoke Chestpiece Stethoscope with 27" Black Tube: Amazon.com: Industrial & Scientific 3M 2176 Littmann Master Cardiology Smoke Chestpiece Stethoscope with 27" Black Tube: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71eXluhHpCL.jpg)
3M 2176 Littmann Master Cardiology Smoke Chestpiece Stethoscope with 27" Black Tube: Amazon.com: Industrial & Scientific
![3M Littmann Stethoscope, Master Cardiology, Black Tube, Stainless Steel Chestpiece, 27 inch, 2160: Amazon.com: Industrial & Scientific 3M Littmann Stethoscope, Master Cardiology, Black Tube, Stainless Steel Chestpiece, 27 inch, 2160: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61x2Dw+9B1L.jpg)
3M Littmann Stethoscope, Master Cardiology, Black Tube, Stainless Steel Chestpiece, 27 inch, 2160: Amazon.com: Industrial & Scientific
![Amazon.com: 3M Littmann Stethoscope, Classic II Pediatric, Raspberry Tube, Stainless Steel Chestpiece, 28 inch, 2122 : Industrial & Scientific Amazon.com: 3M Littmann Stethoscope, Classic II Pediatric, Raspberry Tube, Stainless Steel Chestpiece, 28 inch, 2122 : Industrial & Scientific](https://m.media-amazon.com/images/I/61zQiS--FeL._AC_UF1000,1000_QL80_.jpg)