The 3M Littmann Master Cardiology Stethoscope is the ultimate acoustical stethoscope. Patented single-sided "Master" chestpiece with tunable diaphragm lets you monitor both high and low frequencies without having to turn over the chestpiece. Features hand-crafted, solid stainless steel chestpiece, two-tubes-in-one design, lightweight comfort headset, special procedures adapter for difficult site and pediatric auscultation, nonchill rim, double-leaf binaural spring, and patented 3M Littmann Snap-tight Soft-sealing Eartips. The 3M Littmann Master cardiology Stethoscope provides the best acoustics Littmann stethoscopes offer, with a significant improvement in low-frequency response. With the unique Master chestpiece, you'll get diagnostic information accurately and efficiently.

• The patented tunable diaphragm alternates between low and high frequencies without turning over the chestpiece. This allows for same-site auscultation.
• Two tubes are incorporated into a single-tube design that eliminates noise artifacts created from two tubes rubbing together.
• Includes a flexible patented special procedures adapter designed for auscultation of difficult body sites (such as ankles, neck, wrists, etc.), pediatric and emaciated patients.
• The headset assembly is permanently set at an anatomically correct angle. This assures a proper fit, minimizes air leaks and prevents the headset from loosening over time.
• Patented 3M Littmann Snap-tight Soft-sealing Eartips assure maximum comfort and excellent acoustical seal. Nonchill rim and diaphragm assembly for patient comfort.
• Black tubing is available in 22" or 27" length. Note: Tubing length is measured from the top of the eartips to the bottom of the chestpiece.
• Seven-year warranty.