Amazon.com: Compatible Replacement Tube by CardioTubes fits Littmann(r) Classic II SE(r) Standard Stethoscopes - 5mm Black on Black 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
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Littmann Classic II, Classic III, Pediatric, Infant and Select Replacement Tubing | MyStethoscope.com
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Amazon.com: Replacement Tube by CardioTubes fits Littmann Master Cardiology and Cardiology III Stethoscopes - 7mm Binaurals Dark Green TUBING : Industrial & Scientific
Amazon.com: Compatible Replacement Tube by CardioTubes fits Littmann(r) Classic II SE(r) Standard Stethoscopes - 5mm Orange TUBING : Industrial & Scientific
Compatible Replacement Tube by CardioTubes fits Littmann(r) MasterCardiologyI(r) and Littmann(r) Cardiology III(r)
Replacement Stethoscope Tubing - YouTube
STETHOSCOPE TUBING by Reliance Medical FITS LITTMANN® CARDIOLOGY IV® 11 COLORS | eBay
Amazon.com: Replacement Tube by CardioTubes fits Littmann Master Cardiology and Cardiology III Stethoscopes - 7mm Binaurals Dark Green TUBING : Industrial & Scientific