3M Littmann Tunable Diaphragm & Rim- Cardiology III/Classic Series (Small Side) Gray 36573

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. Tunable diaphragm and Rim Assembly for Littmann® Cardiology III (small side) Stethoscope - Grey rim.