The Adscope 603 Clinician Stethoscope combines superior acoustic performance with rugged durability. Adjustable Frequency Technology (AFD) allows the diaphragm to be tuned to enhance high and low frequency responses. It features a non-chill bell and diaphragm retaining rims for added patient comfort. Stainless steel construction and reinforced yoke molded flexible 22" PVC tubing ensure a lifetime of use. Adsoft Plus silicone eartips with snap-on connection provide superior wearing comfort and acoustic seal.