Pureglare BQC-XGC50X//1 Projector Lamp for Sharp PG-C45S,PG-C45X,PG-C45XU,PG-C50X,PG-C50XU,XG-C50S,XG-C50X Ampac Audio-Video is the only authorized seller of PureGlare lamps. ?Look for Ampac Audio-Video to ensure you're buying an authentic PureGlare Lamp.? PureGlare Compatible Lamp with 150 days warranty