Amazon.com: 3M Littmann Classic II S.E. Stethoscope (Multiple Sizes/Colors): Industrial & Scientific

The 3M™ Littmann® Classic II S.E. Stethoscope provides high acoustic sensitivity through its dual-sided, stainless steel chestpiece, featuring a tunable diaphragm on one side and a traditional bell function on the opposite side. Tunable diaphragm captures

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