3M Littmann Cardiology IV Stethoscope, Pop of Color, High Polish Smoke-Finish Chestpiece, Navy Tube, Blue Stem and Black Headset, 27 inch, 6202 - Walmart.com
Amazon.com: 3M Littmann Stethoscope, Cardiology IV, Black Tube, Stainless Steel Chestpiece, 22 inch, 6151 : Industrial & Scientific