Ultima Ceiling Tile, 24 in W x 24 in L, Concealed, 15/16 in Grid Size, 12 PK

30-Year Limited System Warranty Material Mineral Fiber Color White Standards ANSI/ASHRAE/USGBC/IES Standard 1 Application Libraries, Music Rooms Series UltimaYou may also like Armstrong 1x1 Washable White Acoustic Ceiling Tiles for Surface Mounting, Glue Up, 40-tiles per pack, White.