Standard Quartz Cuvette (PFTE stopper type, 1 mm light path, 0.35mL 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:Teflon Stopper. Light Path:1 mm. Cell Volume:0.35 mL. Outside Dimensions:45mm × 3.5mm × 12.5mm. Spectral range:190-2000 nm.