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3M Littmann Stethoscopes - Resilient with next-gen tubing that is not made with natural rubber latex, the 3M™ Littmann® Classic III™ Stethoscope provides longer stethoscope life with improved resistance to skin oils
New Stethoscope Tubing for Ultrascope Stethoscopes
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Amazon.com: Compatible Replacement Tube by CardioTubes fits Littmann(r) Classic II SE(r) Standard Stethoscopes - 5mm Pink TUBING : Industrial & Scientific