Our disposable cuvettes are compatible with most popular spectrophotometers. Manufactured from high quality, optically clear polystyrene, they are intended for determinations in the 340-800nm (visible) wavelength range. Cuvettes are available in three sizes: 1.5mL micro, 2.5mL semi-micro and 4.5mL macro. All sizes are 12.5mm square, 45mm height and are compatible with various spectrophotometer models including: Carolina, Spectronic200, Spectronic20 and 20D, SpectronicEducator, Genesys™ and Accuris SmartDrop™. • Fits most spectrophotometers and photometers• Polystyrene for use in visible range (340-800nm)• Protective packaging – dust-proof and non-scratch• Absorption reproducibility error of less than ±1%**Caps are available and can be ordered separately.