Feature●This 150W HPS lamp is the replacement lamp for the Mini Sunburst 150W HPS unit (NOTE: for item code SBMM150S; not compatible with SBM150S).●It has 2000K color spectrum—ideal for flowering and fruiting—and is for horizontal operation. E26 medium base.●(ED37 Shape, E26 Base)●Package Dimensions: 5.8" L x 6.1" W x 16.4" HDescription This 150W HPS lamp is the replacement lamp for the Mini Sunburst 150W HPS unit (NOTE: for item code SBMM150S; not compatible with SBM150S). It has 2000K color spectrum—ideal for flowering and fruiting—and is for horizontal operation. E26 medium base.