laboratory reagents - stains - microbiology - GRAM STAIN KIT, BIOGRAM 4 KIT, 5vl x250ml, Four-reagent kit for identification of bacteria acc. to Gram; for differentiation between Gram-positive and Gram-negative bacteria (kit contains: 1x250ml Lugol, 1x250ml Crystal Violet, 2x250ml Gram decolorizer, 1x250ml Safranin), CE mark, todylaboratories®, code C15MS1015-1250-STR, expires 2024.11.23