3M Littmann Classic III Monitoring Stethoscope, Rainbow-Finish Chestpiece, black stem and headset, Black Tube, 69 cm, 5870Two sided chestpiece with tunable diaphragms on both the adult and paediatric sides. Single piece tunable diaphragm is easy to attach, and easier to clean because its surface is smooth without crevices. paediatric side converts to a traditional open bell by replacing the single piece diaphragm with a non chill rim. Next generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains. Small