The Epson ELPLP73 Dual Replacement Projector Lamp is a dual lamp kit containing 2 genuine Epson ELPLP72 Ultra High Efficiency (UHE) projector lamps which are designed to replace the original and genuine Epson projector lamps that are included with the Epson PowerLite Pro Z8250NL, Z8255NL, Z8450WUNL, and Z8455WUNL Projectors.