Kosrae BL-FP230H replacement projector lamp with housing Fit for OPTOMA GT750/ GT750E/ GT750ECA projector High brightness and colour performance -- applicable to classrooms, conference rooms, churches and other commodious venues Long service life: Average 2500 Hours, without repeated replacement 30 DAYS MONEY BACK AND 180 DAYS GUARANTEE--Risk-free purchase Fit into the following projectorsOPTOMA GT750 GT750E Projectors