The Diagnostix™ 5420 3.5V Standard Otoscope Head is a professional-grade diagnostic instrument designed for accurate and reliable examination of the inner ear. Built for daily clinical use, this otoscope head delivers superior visualization, durability, and compatibility across a wide range of 3.5V power handles.

Featuring fiber-optic light transmission, the 5420 provides cool, unobstructed illumination for a clear view of the ear canal and tympanic membrane. Precision optical glass reduces reflection while delivering 3X magnification, enhancing diagnostic clarity. A bidirectional swivel viewing lens allows easy instrumentation without compromising visibility.

The integrated insufflator port supports pneumatic otoscopy and is compatible with Welch Allyn® disposable specula, offering flexibility and convenience in clinical workflows. A universal bayonet mount ensures compatibility with most 3.5V power supply handles, including other leading brands, while the standard anti-theft locking feature provides added security in shared clinical environments.

Available with either xenon or advanced AdLED illumination, the Diagnostix™ 5420 delivers true tissue color and long-lasting performance. Backed by a five-year warranty on the instrument and a lifetime warranty on the AdLED lamp, this otoscope head is a dependable choice for hospitals, clinics, ENT practices, and medical training programs.