Amazon.com: Compatible Replacement Tube by CardioTubes fits Littmann(r) Classic II SE(r) standard Stethoscopes - 5mm GREEN TUBING : Industrial & Scientific
Amazon.com: (Stethoscope Binaural) Replacement Tube by Reliance Medical fits Littmann® Classic II Pediatric, Classic II SE, Select, Master Classic II, and Infant Stethoscope - Light Blue TUBING : Industrial & Scientific
Amazon.com: Replacement Tube by CardioTubes fits Littmann Classic II SE standard Stethoscopes - 5mm BLACK TUBING : Industrial & Scientific
Replacement Stethoscope "Y" tubing for Single/Dualhead Stethoscopes
Amazon.com: Replacement Tube by CardioTubes fits Littmann Classic II SE standard Stethoscopes - 5mm BLACK TUBING : Industrial & Scientific
Premium Stethoscopes Sprague Double Tube Adult and Pediatric Stethoscope - Ideal Gift for EMT, Nurse, Doctor, Medical Student, Paramedic and First Responders Includes Accessories (FROSTED PINK) - Walmart.com
Littmann Cardiology IV Stethoscope, White Alabaster, Satin Tube, 6186C - Stethoscope.com
Dixie Ems Sprague-Rappaport Two Tube Type Stethoscope
MDF® Instruments Tips | How to Replace Stethoscope Tubing