_x000D_\nFluorescent Covers Lighting Panels - F12-100/2246-8 PACK: Clear Prismatic Acrylic Flat Sheet Replacement Light Cover Panels 22.50" x 46.50" x .100" - 8 PACK_x000D_\nExcellent U.V. Resistance, Guaranteed not to yellow for 20 years, Good Shock Resistance_x000D_\n_x000D_\n Shop ceiling light panels and a variety of other lighting products online at fluorolite.com_x000D_\n Additionally, plastic ceiling diffuser panel thicknesses are measured from the peaks of the prisms not the valley’s._x000D_\n Some competitors will use a sheet that has had the valley’s ground out to save plastic. Be aware that not all flat sheets of the same thickness are of the same quality._x000D_\n Please make sure you need 22 1/2" x 22 1/2" size of light cover panel before purchasing it. This sheet is cut from bigger size sheet. In a result, there can be a restocking fee charged if returned._x000D_\n Replacement light Cover Panels -Find ceiling light panels at fluorolite today._x000D_\n_x000D_\nFluorolite only uses high quality sheets._x000D_\nMore Info:_x000D_\nClear Prismatic Acrylic Flat Sheet Fluorescent Light Cover Replacement Panels Please measure the sheet properly before buying._x000D_\n_x000D_\nAcrylic lighting panels are an economical, lightweight and easy to use solution for all your fluorescent lighting cover needs. Standard sizes fit most drop-in ceiling systems or they can be trim-to-size with a table saw._x000D_\n_x000D_\nEmbossed with an attractive prismatic pattern that softens the light output of various light sources, these lighting panels are ready to use in a variety of commercial and residential applications, including kitchen and bath fixtures, basements, office buildings schools, garages and recreation rooms._x000D_\n_x000D_\nSimilarly, we have elevator light cover panels that are state approved in most of the places.