3M Littmann Classic II Clinician Stethoscope Blue 1-Tube 71 cm Tube Double Sided ChestpieceAbout 3M Littmann Classic II Pediatric Stethoscope, 28 Inch (1 Unit) Pediatric stethoscope features a non chill rim and a dual sided chest piece Switch between the two sides of the chest piece for listening to heart and lung function The open bell and floating diaphragm deliver high sensitivity and clear acoustics The non chill rim provides comfort for both older and younger patients Soft ear tips and angled tubes for a snug and comfortable fit An