2160 Littmann Master Cardiology Stethoscope - Stainless Chestpiece - Black TubeOffering a tunable diaphragm, dual lumen tubing and a precision ergonomically designed chestpiece, the 3M Littmann Master Cardiology Stethoscope is designed to give you the best acoustic response in the Littmann mechanical stethoscope line. 27. 17"
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