The 817 Zircon Pale Density Filter from LEE Filters can be used to reduce the output of an LED light fixture. This filter is constructed from 180-micron polyester that resists fading from LED light fixtures and is delivered as a 24 x 24" sheet.
Under 4000K light, the 817 Zircon Pale Density Filter exhibits a 0.22 density, provides a 0.73-stop value, and transmits light at 60.1%. Depending on the specific LED lighting fixture the 817 Zircon Pale Density Filter is used with, a slight color temperature shift may occur.