The Osram HLX 64634 "Xenophot EFR" is a 15V 150W halogen lamp with a GZ6.35 base, part of Osram's Xenophot range designed for high-intensity dental and medical lighting fixtures. The EFR designation refers to its specific filament/reflector configuration — a genuine match wherever "64634" is specified. Specs: Osram | 15V | 150W | GZ6.35 | Xenophot EFR | Halogen Common uses: Dental unit and medical lighting Brand Osram Voltage 15V Power 150W Base GZ6.35 Origin EUROPE / Mexico Life 50h Colour temp. 3200K Bulb MR16 Diameter 51mm OAL 42mm Prod. type Halogen G(XYZ)6.35 ANSI/LIF: EFR Frequently Asked Questions Q1. What is OSRAM HLX 64634 used for? OSRAM HLX 64634 is used in microscopy, laboratory analysis, surgical, dental overhead and specialised illumination applications. Q2. Is OSRAM HLX 64634 a halogen lamp? Yes, it is a reflector halogen lamp designed for professional lighting applications. Q3. Can OSRAM HLX 64634 replace another lamp? Replacement depends on equipment requirements including voltage, wattage and base type. Q4. Where can I buy OSRAM HLX 64634 in Australia? TechLamps supplies professional replacement lamps across Australia.