This product is either discontinued or we cannot get that from suppliers.
Panasonic ET-LAE4000 - Projector lamp - UHM - 170 Watt - for PT-AE4000, AE4000E, AE4000U, Projector Lamp with Module, Lamp with Housing/Filter
The Panasonic ET-LAE4000 Projector Lamp is capable of an output of up to 1600 lumens. The energy efficient lamp is 150% brighter than its predecessor and offers enhanced colors via its optical filter. It is rated at 170 watts.