Arclyte's High Quality NEC LT51LP Projector Lamp with Housing is 100% compatible with your NEC projector. Designed specifically as a direct NEC projector lamp replacement, Arclyte lamps only utilize original manufacturer bulbs with a durable and high quality housing unit that is guaranteed to fit properly. This projector lamp will meet the original manufacturer quality and performance standards. If you are not satisfied, send the product back within 180 days for a full refund. For more information please visit Arclyte.com. Arclyte NEC Lamp LT150z; LT75; LT75z; LT51LP is one of many available through Office Depot. Made by Arclyte.