Amazon.com: EMI Premium Clinical Lightweight 4oz Stethoscope with Rotating Dual Head - Purple - Perfect for Nurses and Medical Professionals : Industrial & Scientific
Amazon.com: (Stethoscope Binaural) Replacement Tube by Reliance Medical fits Littmann® Classic II Pediatric, Classic II SE, Select, Master Classic II, and Infant Stethoscope - Dark Green TUBING : Industrial & Scientific