250W GE Kolorlux MBF U Standard Mercury MBF-U250 Watt 4000K CCT20,000 hours lifeUniversal burning positionE40 GES cap, 13,000 lumens
250W Sylvania HSI-HX Coated Internal Ignitor (direct MBFU retrofit)Elliptical Quartz Metal Halide250 Watt, E40 GES Giant Screw Cap, CCT 3800KHSI-HX 250W/CO/I 2035621,000 lumens, for use in enclosed luminaires only
250W Iwasaki EYE Clean Ace Elliptical Quartz Metal Halide Internal Ignitor (direct MBFU retrofit)MF250 DL250 Watt, CCT 6500K CRI Ra 90Phosphor coated, operates on Mercury control gearGES E40 Giant Screw Cap, 10000 Hours Life 13500 lumens