Lamps with housing for 3M X31i projector
Lamp part number: 78-6972-0118-0

Easy replacement process for everyone
All you need to do is loosen a few screws in the projector, remove the entire lamp housing, and replace it with the new one. You can choose from 4 lamp options - original, original bulb inside, diamond or generic.
VIDEO - replacement of projector lamp with housing