![3M Littmann Stethoscope, Master Cardiology, Black Tube, Smoke Chestpiece, 27 inch, 2176: Amazon.com: Industrial & Scientific 3M Littmann Stethoscope, Master Cardiology, Black Tube, Smoke Chestpiece, 27 inch, 2176: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71eXluhHpCL.jpg)
3M Littmann Stethoscope, Master Cardiology, Black Tube, Smoke Chestpiece, 27 inch, 2176: Amazon.com: Industrial & Scientific
![Amazon.com: 3M Littmann 6152, Stethoscope, Cardiology IV, Black Tube, Stainless Steel Chestpiece, 27 Inch, 6152 : Industrial & Scientific Amazon.com: 3M Littmann 6152, Stethoscope, Cardiology IV, Black Tube, Stainless Steel Chestpiece, 27 Inch, 6152 : Industrial & Scientific](https://m.media-amazon.com/images/I/61Xv8bMLOQS.jpg)
Amazon.com: 3M Littmann 6152, Stethoscope, Cardiology IV, Black Tube, Stainless Steel Chestpiece, 27 Inch, 6152 : Industrial & Scientific
![Amazon.com: Primacare DS-9290-BK Adult Size 22 Inch Stethoscope for Diagnostics and Screening Instruments, Lightweight and Aluminum Double Head Flexible Stethoscope, Black : Industrial & Scientific Amazon.com: Primacare DS-9290-BK Adult Size 22 Inch Stethoscope for Diagnostics and Screening Instruments, Lightweight and Aluminum Double Head Flexible Stethoscope, Black : Industrial & Scientific](https://m.media-amazon.com/images/I/61tYBoiE3DL._AC_UF1000,1000_QL80_.jpg)