Amazon.com: 3M Littmann Stethoscope Spare Parts Kit, Classic II S.E., Grey, 40006 : Industrial & Scientific
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3M 2450 Littmann Lightweight II S.E. Stethoscope, 28" Black Tube: Littman Stethoscope: Amazon.com: Industrial & Scientific
Amazon.com: 3M Littmann Stethoscope Spare Parts Kit, Classic II S.E., Grey, 40006 : Industrial & Scientific
3M 2450 Littmann Lightweight II S.E. Stethoscope, 28" Black Tube: Littman Stethoscope: Amazon.com: Industrial & Scientific
Amazon.com: 3M Littmann Stethoscope Spare Parts Kit, Classic II S.E., Grey, 40006 : Industrial & Scientific
Amazon.com: (Stethoscope Binaural) Replacement Tube by Reliance Medical fits Littmann® Classic II SE Stethoscope - TUBING (ALL BLACK (BLACK EDITION)) : Industrial & Scientific