Diaphragm and ring for Classic III, Cardiology III, Cardiology IV – GREY – pediatric side

Replacement Littmann Diaphragm SMALL SIDE (pediatric) ONLY.

This tunable diaphragm patented by Littmann fits the Classic III, Cardiology III, Cardiology IV and Pediatric stethoscopes.

The older diaphragms (Cardiology III) and newer ones (Classic III and Cardiology IV) are interchangeable.

This diaphragm and ring do NOT work on the Classic II or Classic II SE stethoscopes.