Framed filter easily applied onto most makes of tft lcd and crt monitorswhen used with a crt monitor, a detachable cable is provided to drain away static charges (not required on tft lcd screens)significantly reduces glare and eliminates over 99 percent of uva/b radiationinnovative sliding track allows filter to be adjusted to various sizes of screenglass-coated on one sidefilter provides excellent contrast enhancementtwo versions of mounting arms provided - one for tft lcd screens and a longer set for crt screensscreen size: 483mm (19inch)screen wxdxh: 390x2x310mm