The United Scientific DFG600 diffraction grating has 600 lines per millimeter, measures 45mm x 60mm (H x W), and is protected by glass plates. This replacement diffraction grating with 600 lines per millimeter splits light into multiple beams for analysis in light and optics experiments. The grating measures 45mm x 60mm (H x W) and has a viewing area of 30mm x 45mm (H x W). Dual glass plates protect the grating from damage and provide visibility. It is for use with the United Scientific SPECT01 spectrometer.

United Scientific Supplies manufactures laboratory supplies and science education products. The company, founded in 1992, is headquartered in Waukegan, IL.