Compatible Projector Lamp Replaces Hitachi DT01021 This Premium Power Products original replacement Front Projector Lamp from eReplacements is made with a genuine Philips bulb and is 100% compatible with your original Hitachi lamp. Philips is a name consumers trust and eReplacements front projector lamps made with Philips bulbs inside will meet the original Hitachi lamp specifications. In fact many Hitachi lamps are made by the manufacturer with Philips bulbs inside them. Philips bulbs are manufactured for high performance using the most up to date safety and engineering control standards and manufactured in ISO 9000 factories. Plastic housings are engineered to perfectly fit into your projector. Internal safety features protect your device from electrical hazards. Why pay more for an expensive Hitachi replacement lamp? This original replacement Front Projector Lamp with a Philips bulb inside is a more economical solution to high priced Hitachi lamps and will last longer and shine brighter than other compatible projector lamps.