High Intensity Purified Super Daylight The 10,000K is purified super daylight lamp that simulates the high intensity lumen output of the midday tropical sun It contains rare earth color enhancing phosphors to emit sparkling, blue white rays Produces refracted shimmering dappled lighting properties of natural sunlight The metal halide lamps are designed to reproduce natural light conditions found in the ocean The exceptional color renditions of these lamps bring out the most vibrant colors and provide ideal light required for plants and reef environments Replacement lamps for traditional probe start metal halide ballasts with an ANSI code of M57, M58, M59 and mogul base socket fixtures DIMENSIONS L1 75 X W0 X H8 5