Elation LSF Filter 60 degree 20x24 SheetLSF Series Light Shaping Filters from Elation are easy to use polycarbonate sheets which can be cut to size to fit over any LED fixture and transmit up to 92% of the light, shaping it to the desired effect you want. You can smooth or widen out any LED Panel or Par while also improving the field of color or turn you LED Par can into a wall washer with our linear 60 x 1degree filter. Each sheet measures 20 x 24 (except the 20 version which is 20 x 22).