Trusted in over 150 countries, Riester products are developed in collaboration with medical practitioners to set new standards with regard to optical quality, ergonomics and functionality.

• Double chest-pieces for duplex®, duplex® baby and duplex® neonatal made of aluminium with practical rapid-exchange connector.
• Special membranes, Ø 48 mm, 36 mm, 28 mm, for first-class acoustics.
• Particularly flat and soft non-chill rims for improved adaptation on the skin.
• Bells Ø 36 mm, 28 mm, 24 mm.
• Matt chromium-plated binaural with integrated reinforced double-spring.
• Optimal sealing of the external auditory canal with soft, replaceable ear-tips with metal screw thread.
• Particularly strong Y-tube made of PVC for optimal acoustics to shield against undesired stray sounds.
• Overall length: 79 cm, 78.5 cm, 78 cm.
• Latex-free.
• Tristar® is supplied with two pairs of replacement ear-tips, a replacement membrane each and a name plate.

Riester equipment is manufactured in Germany to the highest quality and awarded the ISO-9001 certificate. The Riester quality is trusted for over 50 years of company history in development and production of medical diagnostic instruments.

Product Data Sheet