The Unico Black 0.25ml Quartz Cuvette (# S-90-357Q) with Lid has a 10 x 1 Interior Width, 45mm Height, 0.25ml Capacity, and works with UV & Visible Light in the 170nm-2600nm Wavelength Range.

Unico Black 0.25ml Quartz Cuvette Literature:

Unico Spectrophotometer Catalog