![Amazon.com: 3M 6152 Littmann Cardiology IV Stainless Steel Chestpiece Stethoscope with 27" Black Tube : Industrial & Scientific Amazon.com: 3M 6152 Littmann Cardiology IV Stainless Steel Chestpiece Stethoscope with 27" Black Tube : Industrial & Scientific](https://m.media-amazon.com/images/I/61cTEEXEoML.jpg)
Amazon.com: 3M 6152 Littmann Cardiology IV Stainless Steel Chestpiece Stethoscope with 27" Black Tube : Industrial & Scientific
![Amazon.com: 3M Littmann Cardiology IV Diagnostic Stethoscope, Black-Finish Chestpiece, Black Tube, Stem and Headset, 27 inch, 6163 + 40007 Stethoscope Identification Tag, Black : Industrial & Scientific Amazon.com: 3M Littmann Cardiology IV Diagnostic Stethoscope, Black-Finish Chestpiece, Black Tube, Stem and Headset, 27 inch, 6163 + 40007 Stethoscope Identification Tag, Black : Industrial & Scientific](https://m.media-amazon.com/images/I/512C9SEaHgL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 3M Littmann Cardiology IV Diagnostic Stethoscope, Black-Finish Chestpiece, Black Tube, Stem and Headset, 27 inch, 6163 + 40007 Stethoscope Identification Tag, Black : Industrial & Scientific
![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._AC_UF894,1000_QL80_.jpg)