One Standard Quartz Cuvette (Open-top type, 1 mm light path, 0.4mL volume): The cuvette has a fused quartz body and 2 transparent windows. It fits all standard VIS-NIR spectrophotometers (such as Shimadzu, Perkin Elmer, GE, HP, and Beckman etc.) and is designed for UV-VIS-NIR absorption applications. Parameters: Cell Material:Optical Quartz. Top Type:Open-top, Teflon lid. Light Path:1.00 mm. Cell Volume:0.4mL. Outside Dimensions:45mm × 3.5mm × 12.5mm. Spectral range:190-2000 nm.