3M Littmann Classic II Stethoscope, Blue Tube, 28 inch 2124, 1 Ct Make accurate vitals checks and diagnoses with the aid of the 3M™ Littmann® Classic II Pediatric 28" Stethoscope. It has a 3.3 diaphragm, dual-sided chest piece for listening to a child's heart and lungs and checking the functions of other body areas. The 3M™ Littmann® Classic II stethoscope also features a non-chill rim, making skin contact more comfortable. The floating diaphragm and an open bell design improve acoustic sensitivity. Soft tips and angled ear tubes fit snugly and comfortably into the ears. Increase or decrease the tension of the headset to meet each user's preference. This 3M™ Classic II stethoscope is made with latex-free tubing, so it's suitable for patients with skin sensitivities. 1 Classic Stethoscope Infant