3M Littmann lightweight II SE 28 inch stethoscope 2450 is the standard of the industry and features 3M's patented tunable diaphragm for improved low-frequency response and the ability to hear both low and high-frequency sounds without turning over the chestpiece. Along with its high acoustic sensitivity, it features a nonchill rim, durable, single lumen tubing and solid stainless steel combination chestpiece.

   * General-purpose stethoscope with an improved design that provides reliable acoustics for basic blood-pressure and limited physical assessment.
   * 28 inch Long. 2-year warranty.