Compatible Replacement Tube by CardioTubes fits Littmann(r) MasterCardiologyI(r) and Littmann(r) Cardiology III(r) Stethoscopes - 7mm Binaurals Blue TUBING
Amazon.com: Replacement Tube by CardioTubes fits Littmann Classic II SE standard Stethoscopes - 5mm BLACK TUBING : Industrial & Scientific
How Do You Replace a Littmann Ear Tip? | Medshop Australia
Littmann Classic II, Classic III, Pediatric, Infant and Select Replacement Tubing | MyStethoscope.com
3M™ Littmann® Master Cardiology™ Stethoscope | 3M United States
3M™ Littmann® Cardiology IV™ Diagnostic Stethoscope | 3M United States
Amazon.com: Compatible Replacement Tube by CardioTubes fits Littmann(r) Classic II SE(r) Standard Stethoscopes - 5mm Black on Black Tubing : Industrial & Scientific
Littmann Master Cardiology, Cardiology III, Cardiology IV and Cardiology S.T.C Replacement Tubing | MyStethoscope.com
3M™ Littmann® Cardiology III Service Guide - YouTube