Osram Lighting Store, Osram EFR 15V 150w 64634 Display Optic (made in Germany), Osram
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The Osram 64634 (EFR) Halogen Bulb is sometimes referred to as ''HLX64634'' which means that the bulb has Zenophot gas which replaces the krypton gas that is normally in most halogen light bulbs. This is considered by many customers to produce brighter light.
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