Littmann Spare Parts Kit, Classic II S.E., Black | MyStethoscope.com
3M Littmann Classic II SE Stethoscope 2201 - Black,Amazon.com: Replacement Tube by CardioTubes fits Littmann Classic II SE standard Stethoscopes - 5mm BLACK TUBING : Industrial & Scientific,Littmann Spare Parts Kit, Classic II S.E., Black | MyStethoscope.com,Amazon.com: 3M Littmann Classic II 嬰兒聽診器,2114 不鏽鋼胸套,28 英吋(約71.1 公分)黑色管: 工業與科學