Amazon.com: Replacement Tube by CardioTubes fits Littmann Classic II SE standard Stethoscopes - 5mm BLACK TUBING : Industrial & Scientific
Membrana de repuesto 3M™ Littmann™ Classic II Neonatal - IVMedical
Adult stethoscope - TOP quality
Medical Littmann Stethoscope Spare Parts Replacement Accessories Tunable Diaphragm Rim Assembly Kit 40016 Black for Classic III - AliExpress
Amazon.com: Tubo de repuesto (estetoscopio binaural) de Reliance Medical se adapta a Littmann® Classic II Pediatric, Classic II SE, Select, Master Classic II y estetoscopio infantil, tubo gris : Industrial y Científico
Littmann Stethoscopes | 3M United States
Amazon.com: Compatible Replacement Tube by CardioTubes fits Littmann(r) Classic II SE(r) standard Stethoscopes - 5mm SKY BLUE 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 - Dark Green TUBING : Industrial & Scientific