3M Littmann Stethoscope Master Cardiology Black Tube Smoke Chestpiece 27 inch 2176
- Outstanding acoustics: The highest in Littmann mechanical stethoscopes..
- 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..
- Headset is easily adjusted for individual fit and comfort. Angled eartubes align with ear canals..