![3M Littmann Stethoscope, Cardiology IV, Black Tube, Black Chestpiece, 27 Inch, 6163: Amazon.com: Industrial & Scientific 3M Littmann Stethoscope, Cardiology IV, Black Tube, Black Chestpiece, 27 Inch, 6163: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61zgGfX1LpL.jpg)
3M Littmann Stethoscope, Cardiology IV, Black Tube, Black Chestpiece, 27 Inch, 6163: Amazon.com: Industrial & Scientific
![Amazon.com: 3M Littmann Cardiology IV Diagnostic Stethoscope, Standard-Finish Chest Piece, Raspberry Tube, Stainless Stem and Headset, 27 Inch, 6158 & 40007 Stethoscope Identification Tag, Black : Industrial & Scientific Amazon.com: 3M Littmann Cardiology IV Diagnostic Stethoscope, Standard-Finish Chest Piece, Raspberry Tube, Stainless Stem and Headset, 27 Inch, 6158 & 40007 Stethoscope Identification Tag, Black : Industrial & Scientific](https://m.media-amazon.com/images/I/51kSCQU5-BS.jpg)
Amazon.com: 3M Littmann Cardiology IV Diagnostic Stethoscope, Standard-Finish Chest Piece, Raspberry Tube, Stainless Stem and Headset, 27 Inch, 6158 & 40007 Stethoscope Identification Tag, Black : Industrial & Scientific
![Littmann Master Cardiology, Cardiology III, Cardiology IV and Cardiology S.T.C Replacement Tubing | MyStethoscope.com Littmann Master Cardiology, Cardiology III, Cardiology IV and Cardiology S.T.C Replacement Tubing | MyStethoscope.com](https://www.mystethoscope.com/image/cache/catalog/product/m-cardiolog_bin-850x1300-550x550h.jpg)