Made out of clear rich purity glass materials to adapt to the needs of variety of laboratory applications. The cuvette required will depend on the wavelength range required and the sample volume available. Glass cuvette can be used for spectrophotometer, are suitable for spectral analysis, excellent and useful. Features - Material: Glass. - Size: 4.50X1.24X0.74cm/1.77X0.49X0.29in - Spectral range: 722-751. - Optical path: 5mm. - High transparency, widely used in chemical, pharmaceutical and other industries, excellent and useful. - Accommodates most sample volumes, and is compatible with most spectrophotometers and photometers. - The premium glass cuvette instrument adapts to the needs of most laboratory applications. - Manufactured from materials, grouped by manufacturing mold cavity number to ensure the lowest variation in coefficient. - workmanship, durable and practical, small and convenient, useful and wonderful. Package list: 2 x cuvettes