Original Osram P-VIP bulb only or with Housing for Infocus SP-LAMP-017. The lamps are manufactured using high quality standards and technology. We are an authorized distributor for Philips, Osram , Ushio & other major lamp manufacturers. Part Numbers: SP-LAMP-017, SP LAMP 017, SP LAMP017, SP-LAMP017, SPLAMP 017, SPLAMP-017, SPLAMP017 Model Numbers: BiFrost, BiFrost, C160, C160 Infocus, C180, C180 Infocus, LP540, LP540, LP640, LP640, SP5000, LS5000, Screenplay 5000, ScreenPlay SP5000, ScreenPlaySP5000, SP-5000, SP5000