3M Littmann Cardiology III

This stethoscope features a doublesided chestpiece, for adult and pediatric auscultation, pediatric side can be converted to an open bell for low frequencies using nonchill bell sleeve, pressure-based sound frequency adjustment with tunable diaphragm, parallel noise-reducing sound channels in the tubes, stainless steel chest-piece, a 5-year warranty with 3M. 27-inch tubing.