Amazon.com: Compatible Replacement Tube by CardioTubes fits Littmann(r) MasterCardiologyI(r) and Littmann(r) Cardiology III(r) Stethoscopes - 7mm Binaurals BLACK TUBING : Industrial & Scientific
Amazon.com: 3M Littmann Stethoscope, Master Classic II, Black Tube, Black Chestpiece, Black Eartubes, 27 inch, 2141 : Industrial & Scientific
Amazon.com: 3M Littmann Stethoscope, Classic II Pediatric, Red Tube, Stainless Steel Chestpiece, 28 inch, 2113R : Industrial & Scientific
Amazon.com: 3M Littmann Stethoscope, Cardiology IV, Black Tube, Black Chestpiece, 27 Inch, 6163 & Classic III Monitoring Stethoscope, Black Edition Chestpiece, Black Tube, 27 Inch, 5803 : Industrial & Scientific
Amazon.com: Compatible Replacement Tube by CardioTubes fits Littmann(r) Classic II SE(r) Standard Stethoscopes - 5mm Black on Black Tubing : Industrial & Scientific
Amazon.com: 3M 40016 Littmann Stethoscope Spare Parts Kit, Classic III, Black : Industrial & Scientific
Amazon.com: Elonbo Hard Stethoscope Case for 3M Littmann Classic III, Lightweight II S.E, MDF Acoustica Deluxe Stethoscopes, Stethoscope Carrying Cases with Mesh Pocket fits Nurse Accessories, Blue : Industrial & Scientific
Amazon.com: 3M Littmann Classic III Monitoring Stethoscope, Black Edition Chestpiece, Black Tube, 27 inch, 5803 + 40007 Stethoscope Identification Tag, Black : Industrial & Scientific
Amazon.com: 3M Littmann Classic III Monitoring Stethoscope with ID Tag - Caribbean Blue Tube, 27 inch : Industrial & Scientific