This outstanding, versatile stethoscope features two patented tunable diaphragms for listening to both low and high frequency sounds. Designed for acoustical excellence, the two-tubes-in one design eliminates noise artifact that can be created by the tubes rubbing together. The pediatric side of the chestpiece easily converts to a traditional bell by simply replacing the diaphragm with the nonchill bell sleeve included with each stethoscope. Features a solid stainless steel chestpiece, nonchill rims, adjustable double-leaf binaural spring and patented Littmann soft-sealing eartips. Backed by a five-year warranty. Length: 27. Latex-Free.

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3M™ Littmann® Cardiology Iii Stethoscope Features Two Tunable Diaphragms (Adult And Pediatric) For Listening To Both Low And High Frequency Sounds Two-Tubes-In-One Design Helps Eliminate Tube Rubbing Noise The Pediatric Side Of The Chestpiece Easily Converts To A Traditional Bell By Simply Replacing The Diaphragm With The Nonchill Bell Sleeve Included With Each Stethoscope Offers A Solid Stainless Steel Chestpiece, Nonchill Rims, And An Adjustable Doubleleaf Binaural Spring 3M™ Littmann® Snap Tight Soft-Sealing Eartips Provide An Excellent Acoustic Seal And Comfortable Fit Latex-Free Specifications Application - Cardiology/High Performance Chestpiece Finish - Machined Stainless Steel Chestpiece Technology - Double Sided Chestpiece Weight - 85 Gram Diaphragm Diameter - 1.7 Inch Diaphrahm Material - Epoxy/Fiberglass Diaphragm Type - Two Tunable Diaphragm Eartip Type - Soft Sealing Length - 27 Inch Click Here For Product Specifications And Comparison Chart