Littmann Master Cardiology Stethoscope, Black Edition, 2161 The 3M Littmann Master Cardiology Stethoscope features tunable diaphragm technology -- 3M invention -- that lets clinicians hear different frequency sounds by simply adjusting the pressure on the chestpiece. Unlike two-sided models, there's no need to... $301.36 $220.00 Compare
Littmann Master Cardiology Stethoscope The 3M Littmann Master Cardiology Stethoscope features tunable diaphragm technology -- 3M invention -- that lets clinicians hear different frequency sounds by simply adjusting the pressure on the chestpiece. Unlike two-sided models, there's no need to... $275.70 $197.00 Compare
