Para-Lite 1 is a small (½" x ½" x ½") square cell Parabolic louver that provides excellent brightness control with low brightness appearance and good lighting efficiency. This louver is made for a 2' x 4'fluorescent fixture and has a specular silver finish. It's easy to install, just lay the louver into the fixture's doorframe and then lock the door. Options include, specular gold cut to fit 1' x 4' fixture, also cut to fit 2' x 2' fixture. Prices are based on 20 pcs minimum order, per size and finish. Additional freight charges will apply. Call for Freight Charges.