BCH Professional 500 ml (16.9 oz) Black Dye Ink for Lexmark Brother Dell Printers Professional Grade Dye Ink. Produces vivid true-to-life prints. Match or Exceed OEM specification on color, pH, surface tension and viscosity. Reliable brand and Big Savings. Get premium image quality at competitive prices. Ideal for printing shop and small businesses. Visit BCHTechnologies for more information on ink grading