Only to be used on LED fixtures.Zircon Filters have been specifically designed to fine-tune the inconsistencies often associated with LED lighting. This pack contains an extensive toolkit to correct a variety of issues associated with LEDs including removing green casts, warming different Color temperature white LEDs and cooling warm white LEDs.Contains 14 Zircon sheets 300mm x 300mm (12" x 12"), thickness 180 microns.Zircon FiltersA new concept in LED filter design.Less ThanbRGreater ThanLess ThanbRGreater ThanFine-tune your LEDsLess ThanbRGreater ThanTheres a reason why lighting designers are turning to Lee Filters Zircon filters for their LEDs. Its because theyve been specifically designed to fine-tune the inconsistencies often associated with LED lighting, ensuring your LEDs give the same performance, time and time again.Less ThanbRGreater ThanLonger Life Filters for LEDLess ThanbRGreater ThanLED lighting has many benefits, but one of its stumbling blocks is that its intensity can contribute to the fade times of standard lighting filters.Less ThanbRGreater ThanLess ThanbRGreater ThanIn order to overcome this, the Lee Filters Research and Development team has developed a new way of producing filters that ensures they last longer when used with LED lights.In fact, Zircon Warm Amber filters have been shown to retain at least 80% of their effectiveness after as much as eight months of continuous use on LED downlighters.Heavyweight SubstrateLess ThanbR