![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
![Amazon.com: PrimaCare DS-9290-BK Adult Size 22" Stethoscope for Diagnostics and Screening Instrument, Lightweight and Aluminum Double Head Flexible Stethoscope, Black : Industrial & Scientific Amazon.com: PrimaCare DS-9290-BK Adult Size 22" Stethoscope for Diagnostics and Screening Instrument, Lightweight and Aluminum Double Head Flexible Stethoscope, Black : Industrial & Scientific](https://m.media-amazon.com/images/I/61tYBoiE3DL.jpg)
Amazon.com: PrimaCare DS-9290-BK Adult Size 22" Stethoscope for Diagnostics and Screening Instrument, Lightweight and Aluminum Double Head Flexible Stethoscope, Black : 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/I/61V6yWLLw8L.jpg)