3M Littmann Classic III Stethoscope with Standard Finish, 27"
Medical Littmann Stethoscope Spare Parts Replacement Accessories Earplug Eartips Diaphragm & Rim Assembly Kit Black 40011 Model - Household Health Monitors Accessories - AliExpress
3M™ Littmann® CORE Digital Stethoscope, Black Chestpiece, Tube, Stem and Headset, 27 inch, 8480: Amazon.com: Industrial & Scientific
Littmann Classic III stethoscope un-boxed and reviewed - YouTube