One Micro Quartz Cuvette (Black body,Open top type with PTFE cover, 10 mm light path, 0.7 mL volume, 2 transparent windows): 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: Windows: Quartz Top:Open Top, PTFE Cover Light Path:10.00 mm Light Width:2 mm Volume: 0.7 mL Dimensions: 45mm × 12.5mm × 12.5mm Spectral range: 190-2000 nm