Highly accurate results, only need to test sample one time Accurate repeatability, made with high quality materials Path length: 1-100mmInside width: 10mmVolume:0.35-35mlOutside Dim: 45*12.5*3.5- 102.5 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, ...