The FBH800-10 from Thorlabs Inc is a Optical Filter with Wavelength 400 to 1064 nm, Center Wavelength(CWL) 800 nm, Bandwidth (FWHM) 10 nm, Blocking Wavelength 200 to 1200 nm, Filter Diameter 25 mm (1.25 Inch). More details for FBH800-10 can be seen below.