Amazon.com: 3M Littmann Stethoscope Spare Parts Kit, Classic II S.E., Grey, 40006 : Industrial & Scientific
Amazon.com: 3M 40005 Littmann Stethoscope Spare Parts Kit, Classic II S.E., Black : 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
3M Littmann Stethoscope Spare Parts Kit, Classic II S.E., Grey, 40006 : Industrial & Scientific - Amazon.com
Amazon.com: 3M Littmann Classic II Pediatric Stethoscope, Black Tube, 28 inch, 2113 : Industrial & Scientific
3M 2450 Littmann Lightweight II S.E. Stethoscope, 28" Black Tube: Littman Stethoscope: Amazon.com: Industrial & Scientific
3M 2450 Littmann Lightweight II S.E. Stethoscope, 28" Black Tube: Littman Stethoscope: Amazon.com: Industrial & Scientific