HP Hewlett Packard Rappaport Sprague Stethoscope - MINT | Student Doctor Network
Medical Stethoscope Spare Parts Replacement Accessories Earplug Eartip Diaphragm Rim Assembly Kit Black for Littmann Classic III - AliExpress
PRIMACARE Sprague Rappaport Style Stethoscope, Blue DS-9295-BL - The Home Depot
Amazon.com: Replacement Tube by CardioTubes fits Littmann Master Cardiology and Cardiology III Stethoscopes - 7mm Binaurals Dark Green TUBING : Industrial & Scientific