The 3M Littmann Classic III Stethoscope offers high acoustic sensitivity for exceptional performance when doing general physical assessments. It features dual tunable diaphragms and an updated design that is easier to clean and maintain.Features:Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sidesSingle-piece tunable diaphragm is easy to attachPediatric side converts to a traditional open bellImproved resistance to skin oils and alcoholLess likely to pick up stainsSmall tunable diaphragm is useful for pediatric small or thin patients; around bandages; and for carotid assessmentStainless steel chestpiece is precision-machined into an aesthetically pleasing less angular shapeThe stem features open side indicatorSnap-tight eartips have a soft smooth surface providing a comfortable acoustic seal and comfortable fit