Intact Genomics 1019-36 DirectPlate® BL21(DE3), Chemically Competent Cells, 36 x 50µl/Unit - 13-030 | Genesee Scientific Intact Genomics 1019-36 DirectPlate® BL21(DE3), Chemically Competent Cells, 36 x 50µl/Unit - 13-030 | Genesee Scientific