Other details dual, Sided chestpiece with small 3. 3cm diaphragm perfectly suited for pediatric patients. Contains one floating diaghragm for the stethoscope chestpiece contains a black rim for assembly of the diaphragm to the chestpiece contains a gray rim for assembly of the diaphragm to the chestpiece 3m littmann stethoscopes offers the high quality that medical and each, Professionals expect replacement part and accessory meets the same demanding standards. Conveniently packaged in kits that correspond to our stethoscope models, Littmann stethoscope 3m littmann stethoscope spare parts kit for the classic ii pediatric stethoscope contains a gray rim, Black rim and a floating diaphragm for chestpiece. Suggested applications replacement and the, Of eartips floating diaphragm on classic ii pediatric stethoscopes