Double- and triple-head Harvey™ DLX™ stethoscopes are specifically designed to accentuate important sounds and enable you to hear cardiac, pulmonary, and vascular sounds without relying on difficult variable-pressure techniques. Dual-bore tubing creates two uninterrupted sound channels and works with the optimally weighted brass chestpieces to transmit a full range of clear, crisp sounds that help enhance your auscultation capabilities.Features & Benefits: