Lutema rlc-150-003-l01 Viewsonic Replacement DLP/LCD Cinema Projector Lamp Replaces RLC-150-003 - Lutema Economy replacement lamps provide an economical solution for your DLP / LCD Cinema Projector. Compatible with these Projector Model Numbers: PJ550-1, PJ550-2, PJ5501, PJ5502, PJ551-1, PJ551-2, PJ5511, PJ5512 Product has been certified by MI Technologies, Inc. in North America to meet the highest quality standards in the industry. This item is a Economic solution only; We recommend selecting the "Philips Inside" Replacement Lamp which will restore 100% Brightness and Lasts Longer! This change in selection can be made in the variation selection above. NOTE: This item is a Economic solution only; We recommend selecting Philips Brand Solutions for the best picture quality, brightness, and lifespan.