Philips EFP 6834FO A1/231 409737 Halogen Optical lamp, Philips 409737 6834FO 12V 100W GZ6.35 EFP A1/231, Philips 6834FO 12V 100W EFP A1/231 Halogen Optical lamp, Philips A1/231 12V 100W 6834FO Fiber Optic lamp (made in Germany)