Original Osram P-VIP bulb only or with Housing for Epson ELPLP13. 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: ELPLP13, ELP LP13, ELP-LP13, ELPLP13, EP V13H010L13, EP-V13H010L13, EPV13H010L13, H010L13, V13H010L13 Model Numbers: PowerLite 50c, ELP-50, ELP50, EMP 50C, EMP-50, EMP-50C, EMP50, EMP50C, PowerLite 70c, ELP-70, ELP70, EMP 70c, EMP-70, EMP-70c, EMP70, EMP70c