3M Littmann Classic II S.E. Stethoscope, Navy Blue Tube, 28 inch, 2205features : 
- High acoustic sensitivity in a dual-sided chestpiece combines with durable, compact design to deliver versatile auscultation and rugged dependability
- Tunable diaphragm responds with a simple pressure change to capture low and high-frequency sounds without the need to turn over the chestpiece
- Anatomically designed headset is angled to meet the path of the ear canal and provide optimal listening
- Latex-free materials for allergy sensitive users
- Non-chill rim and diaphragm provide welcome patient comfort
description : Littmann Classic II S.E. Known as the standard in the industry, this performance stethoscope features the tunable diaphragm (Classic II S.E.) that allows both low and high frequency sound to be heard by simply alternating the pressure on the chest piece. The Classic II pediatric and infant stethoscopes feature the patented floating diaphragm technology. All models feature single-lumen tubing, nonchill rim, patented Littmann soft-sealing ear tips and three-year warranty. Classic II pediatric and infant style stethoscopes are optimally sized to facilitate sound sources in smaller patients.
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