The PP-UVFS-25.4-6.35-AR784-AR784 from OPTOMAN is a Optical Window with Wavelength Range 515 nm, Window Diameter 25.4 mm, Window Diameter 25.4 mm, Thickness 6.35 mm, Thickness 0.25 Inches. More details for PP-UVFS-25.4-6.35-AR784-AR784 can be seen below.