Diaphragm & Rim Assembly for Cardiology III etc.(Each)

This assembly fits Cardio III Cardio II SE Master Classic II Classic II SE and Select #M stethoscopes * These assemblies allow for easy replacement of tunable diaphragm and rim on appropriate Littmann stethoscopes * The patented tunable diaphragm conveniently alternates between the low and high frequency sounds without the need to turn over the chestpiece *