Optima Ceiling Tile, 24 in W x 72 in L, Square Tegular, 9/16 in Grid Size, 6 PK

30-Year Limited System Warranty Material Fiberglass Color White Standards ANSI/ASHRAE/USGBC/IES Standard 1 Application Libraries Series OptimaYou may also like Armstrong Ceiling Tiles; 2x2 Ceiling Tiles - 6 pcs White Ceiling Tiles; Acoustic Ceilings for Suspended Ceiling Grid; LYRA Plant Based (PB) High CAC 8731PB.