Highly accurate results, only need to test sample one time Accurate repeatability, made with high quality materials Path length: 5-50mmInside width: 1-5mmVolume:0.17-8.75mlOutside Dim: 45*12.5*7.5-52.5 mm Material: ES quartz glass, IR quartz glass , Optical glass Accessories of spectrophotometers , fluorometers and colorimeters, widely apply in the industry of environmental protection, chemistry, ...