View 2 of 3M Littmann Classic III Monitoring Stethoscope, 5620, More Than 2X as Loud, Weighs Less

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View 1 of 3M Littmann Classic III Monitoring Stethoscope, 5620, More Than 2X as Loud, Weighs LessView 2 of 3M Littmann Classic III Monitoring Stethoscope, 5620, More Than 2X as Loud, Weighs Less