BTI Projector Lamp - EPSON: EMP-503, EMP-503C, EMP-505, EMP-505C, EMP-703, EMP-703C, EMP-713, EMP-713C, EMP-715, EMP-715C, EMP-815, POWERLITE 503, POWERLITE 503C, POWERLITE 505, POWERLITE 505C, POWERLITE 703