This 500ml Bottle has markings for every 20ml up to 500ml and will actually hold close to 600ml. This Special bottle also has a very small fluid tip to get into all the tight spots on spray guns without wasting solvent. The small fluid tip is also removable if you desire a fast flow of solvent! Use this nice bottle for cleaning any type of Spray Gun from HVLP to Conventional and Pressure Pot Systems!