Sylvania Super Metalarc® MS400/BU-ONLY/ED37/64038 HID Metal Halide Lamp, 400 W Wattage, E39 Mogul Lamp Base, Metal Halide Lamp, ED37 Shape, 42000 Lumens

SYLVANIA super Metalarc lamps provide a higher light output than comparable standard metal halide lamps. The super Metalarc metal halide lamps are designed for use where an increased light output and a longer life is required. Available in 175, 250, 400, and 1000 watts, in both clear and phosphor coated outer jackets, super Metalarc lamps are ideal for numerous applications and are offered with a warm 3200K phosphor for use in retail applications. Super Metalarc lamps are optimized for horizontal, base up or base-down operation. The uniquely designed arc tube results in a peak performance and a substantial increase in initial and mean lumens.