
The United Scientific® Stethoscope, Bowels Type by United Scientific is a Bowles-style stethoscope with a 3.8 cm flat disc diaphragm in a shallow metal bell cup, adjustable chrome-plated binaurals, PVC tubing and plastic ear tips. A spare diaphragm and extra ear tips are included. Physiology and health science classes use it for heart, breath and blood pressure sounds.