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Size: 27"
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 chest piece
Dual-lumen tubing: two Sound paths in one tube eliminates the rubbing noise of traditional double tubes
Next-generation tubing lasts longer and resists stains. Not made with natural rubber latex or phthalate plasticizers
Headset is easily adjusted for individual fit and comfort. Angled ear tubes align with ear canals

The 3M Littman Cardiology IV stethoscope is designed for clinicians who require outstanding acoustic performance combined with exceptional versatility. Its innovative design provides a single-piece tunable diaphragm on each side of the chest piece.