Products tagged with 'portable refractometer'

• Reduces harmful nitrogen oxide emissions from diesel engines. • Composed of 32.5% high-purity urea and 67.5% deionized water. • Clear, odorless and safe and easy to handle. • Inexpensive and efficient option for lowering NOx emissions. • Improves engine performance and fuel efficiency. • Includes: a firm plastic case, a refractometer ,a cleaning cloth, a screw driver, an operating instructions, some pipettes.