![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/W/MEDIAX_792452-T2/images/I/71eXluhHpCL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 3M 2176 Littmann Master Cardiology Smoke Chestpiece Stethoscope with 27" Black Tube : Industrial & Scientific
![3M Littmann Classic III Monitoring Stethoscope, Black Tube, 27 inch, 5620: Amazon.com: Industrial & Scientific 3M Littmann Classic III Monitoring Stethoscope, Black Tube, 27 inch, 5620: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61V6yWLLw8L.jpg)
3M Littmann Classic III Monitoring Stethoscope, Black Tube, 27 inch, 5620: Amazon.com: Industrial & Scientific
![Amazon.com: Dixie EMS Fetal Stethoscope for Baby's Heartbeat Detection, Latex-Free Fetoscope with Pinard Horn and Soft Earbuds, 22” : Industrial & Scientific Amazon.com: Dixie EMS Fetal Stethoscope for Baby's Heartbeat Detection, Latex-Free Fetoscope with Pinard Horn and Soft Earbuds, 22” : Industrial & Scientific](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71w9gGJo7PL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Dixie EMS Fetal Stethoscope for Baby's Heartbeat Detection, Latex-Free Fetoscope with Pinard Horn and Soft Earbuds, 22” : Industrial & Scientific
![Amazon.com: 3M 6163 Littmann Cardiology IV Black Chestpiece Stethoscope with 27" Black Tube : Industrial & Scientific Amazon.com: 3M 6163 Littmann Cardiology IV Black Chestpiece Stethoscope with 27" Black Tube : Industrial & Scientific](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61eW37HIomL.jpg)