Premium Power Products Projector Lamp. Compatible Models: Epson EMP 53, Epson EMP 53plus, Epson EMP 73, Epson EMP 73C, Epson EMP 73plus, Epson PowerLite 53, Epson PowerLite 53c, Epson PowerLite 73, Epson PowerLite 73C. Replace ELPLP21 and V13H010L21-ER .