Amazon.com: Replacement Tube (Dual Lumen binaurals) fits All Leading Brand Single-Head Cardiology Stethoscopes T72 Black : Industrial & Scientific
3M Littmann Lightweight II S.E. Stethoscope, 28"
Littmann Lightweight II S.E. Classic Stethoscope, Caribbean Blue 1 - Tube 28 Inch Tube Double-Sided Chestpiece, 3M, 2452 - Sold by: Pack of One - Walmart.com
3M Littmann Master Cardiology Stethoscope, Black Tube with Standard Finish, 27"
Which brand stethoscope did you buy during the first year of your Medical college? If it was not a Littmann… Did you regret for not buying it? - Quora