The Riester Duplex Baby Stethoscope, model 4042 has precision double-headed chest-piece for perfect auscultation, with Riester special membrane. Matt chromium-plated binaural with integrated reinforced double spring.
Extra-soft, replaceable eartips with metal screw thread for comfortable and effective sealing of the external auditory canal. Extra strong Y-tube made of PVC for shielding against undesired stray sounds.
Latex-free. Precision double-headed chest-piece made of stainless steel.
Special membranes, Ø 1.41 in, with particularly flat and soft non-chill rims for improved adaptation on the skin.
Bell,  1.10 in.
Overall length: 30.11 in.
The Duplex Deluxe Baby is supplied with two pairs of replacement ear-tips, a replacement membrane each and a name plate.  Available only in Blue