O.E.M equivalent ultra high pressure replacement lamp module part number ET-LAB50 compatible for Panasonic 3LCD front projector models PT-LB50NTU / PT-LB50SU / PT-LB50U / PT-LB51EA / PT-LB51NTE / PT-LB51NTEA / PT-LB51NTU / PT-LB51U / PT-LB50 / PT-LB50SE / PT-LB51SE / PT-LB51 / PT-LB51SEA / PT-LB50NTE / PT-LB50NTEA / PT-LB50EA / PT-LB50SEALocate and verify your projector model number off an identification decal on the back or bottom.Locate and verify your existing lamp code before choose and purchase manufacturer lamp part number required for your model application.