Litman Stethoscope procured from well-established vendors is most widely used by doctors for listening heart beats, and sound produced by lungs, intestinal tract and varied other internal parts of body. It has long hollow tubing, made of graded PVC, is called acoustic tube. It is also featured with metal tube, adjustable binaurals, tunable diaphragm, eartip, headset, chestpiece, bell and other needed components. The Litman Stethoscope is easy to use, lightweight, low maintenance, rust proof, and can easily be bought from us through this website.