Littmann – Cardiology IV Stethoscope Navy Blue – NSL-6154

3M™ Littmann® Cardiology IV™ Stethoscope

Outstanding acoustics with better audibility of high-frequency sounds (adult side, firm pressure).
Tunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chestpiece.
Dual-lumen tubing: Two sound paths in one tube eliminates the rubbing noise of traditional double tubes.