Code: 3M2146

• Excellent acoustic sensitivity
• Tunable diaphragm, a 3M invention, for monitoring low and high frequencies
• Compact and portable design
• High performance single lumen tubing
• Patented littmann soft-sealing eartips
• 27 in / 68 cm
• Burgundy Master classic stethoscope

Code: 3M2147

• Excellent acoustic sensitivity
• Tunable diaphragm, a 3M invention, for monitoring low and high frequencies
• Compact and portable design
• High performance single lumen tubing
• Patented 3M littmann snap tight soft-sealing ear tips
• 27 in / 68 cm
• Navy blue master classic stethoscope