Armstrong Ceiling Tile,24 in L,24 in W,PK8 3254E

30-Year Limited System Warranty Material Fiberglass Color White Standards ANSI/ASHRAE/USGBC/IES Standard 1 Application Libraries Series Optima TegularYou may also like Armstrong Ceiling Tiles; 2x2 Ceiling Tiles - 10 pcs Black Ceiling Tiles; Acoustic Ceilings for Suspended Ceiling Grid; CALLA 2822ABK.