Propper Lifo Gray Stethoscope

• Sealed chestpiece offers exceptional sound pickup and transmission
• Thin, acoustically minimal volume Bowles section with 1-3/4" diameter prestressed diaphragm affords optimum sensitivity
• Special formulation insures leakproof, closed sound circuit from chestpiece to ears
• Durable, highly-polished "Formlit" adjustable binaurals
• Anatomically-designed eartips minimize extraneous room noise to mzximize comfort