• This tube will fit stethoscopes with 7mm core tubes. (It will not fit the thinner 5mm SE models)
• This tube has a double Y yoke at the neck (SE models have a single yoke)
• Dual core - High Quality Replacement tubing. Molded, flexible, non-latex - Excellent sound transmission
• Ergonomic design. Stainless steel binaurals angled at 15 degrees for superior comfort. Soft ear tips.
• 27 inches from eartips to diaphragm

Kit Includes: Tube (binaurals) with soft ear tips. Four spare soft ear tips, Rim and Diaphragm set, One ID tag. This tube set is a perfect replacement. One year warranty. 3M, Littmann Master Cardiology and Cardiology III are registered trademarks of 3M Corp. There is no affiliation, sponsorship, or other connection between 3M and CardioTubes.