Amazon.com: MDF ProCardial ERA Cardiology Lightweight Dual Head Stethoscope with Adult, Pediatric, and Infant-Neonatal Convertible chestpiece - Light Blue Tube - Black Finish (MDF797XB14) : Industrial & Scientific
Amazon.com: MDF Acoustica Lightweight Stethoscope for Doctors, Nurses, Students, Home Health Use, Adult, Dual Head, Black Tube, Aqua Chestpiece-Headset, MDF747XPAQ11 : Industrial & Scientific
Stethoscope Parts: Eartips, Diaphragms, Tubing, ID Tags - MDF Instruments