Replacement Tube by Reliance Medical fits Littmann® Cardiology IV® Stethoscope - Cardiology 4® (Navy Blue) - Yahoo Shopping
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Replacement Stethoscope "Y" tubing for Single/Dualhead Stethoscopes
Amazon.com: Replacement Tube by CardioTubes fits Littmann Master Cardiology and Cardiology III Stethoscopes - 7mm Binaurals Dark Green TUBING : Industrial & Scientific
Compatible Replacement Tube by CardioTubes fits Littmann(r) MasterCardiologyI(r) and Littmann(r) Cardiology III(r) Stethoscopes - 7mm Binaurals Sky Blue TUBING
Amazon.com: Compatible Replacement Tube by CardioTubes fits Littmann(r) Classic II SE(r) Standard Stethoscopes - 5mm Black on Black Tubing : Industrial & Scientific
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