Rectangular sub-micro cell, quartz, stoppered with PTFE stopper supplied, 3 x 4.5mm aperture, 10 mm pathlength, top section of the cell features two self-masking black walls and two translucent side walls, 135 µL, z height 20mm, 1/pk. Compatible with Agilent Cary 50/60 UV-Vis spectrophotometers.