Replacement Tube by CardioTubes fits Littmann Classic II SE standard Stethoscopes - 5mm SKY BLUE TUBING

Compatible Replacement Tube by CardioTubes fits Littmann(r) Classic II SE(r) standard Stethoscopes - 5mm SKY BLUE TUBING

3M Littmann Stethoscope Spare Parts Kit, Classic II Pediatric Diaphragm Assembly, 40012

Compatible Replacement Tube by CardioTubes fits Littmann(r) Classic II SE(r) Standard Stethoscopes - 5mm Pink TUBING